Home / 21,126,048,321.86-29,154,645,856.80-11,610,937,339.10

Finding the Fourth Proportional to 21,126,048,321.86, 29,154,645,856.80 and 11,610,937,339.10

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Solution

The fourth proportional to 21,126,048,321.86, 29,154,645,856.80 and 11,610,937,339.10 is: 16,023,477,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,126,048,321.86 : 29,154,645,856.80 = 11,610,937,339.10 : x
  2. Step 2: Convert to fraction form
    21,126,048,321.86/29,154,645,856.80 = 11,610,937,339.10/x
  3. Step 3: Cross multiply
    21,126,048,321.86x = 29,154,645,856.80 × 11,610,937,339.10
  4. Step 4: Simplify right side
    21,126,048,321.86x = 338,512,766,186,810,441,728
  5. Step 5: Solve for x
    x = 338,512,766,186,810,441,728/21,126,048,321.86
  6. Step 6: Final answer
    x = 16,023,477,795.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.