Home / 21,126,048,319.42-29,154,645,853.43-11,610,937,336.66

Finding the Fourth Proportional to 21,126,048,319.42, 29,154,645,853.43 and 11,610,937,336.66

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Solution

The fourth proportional to 21,126,048,319.42, 29,154,645,853.43 and 11,610,937,336.66 is: 16,023,477,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,126,048,319.42 : 29,154,645,853.43 = 11,610,937,336.66 : x
  2. Step 2: Convert to fraction form
    21,126,048,319.42/29,154,645,853.43 = 11,610,937,336.66/x
  3. Step 3: Cross multiply
    21,126,048,319.42x = 29,154,645,853.43 × 11,610,937,336.66
  4. Step 4: Simplify right side
    21,126,048,319.42x = 338,512,766,076,544,483,328
  5. Step 5: Solve for x
    x = 338,512,766,076,544,483,328/21,126,048,319.42
  6. Step 6: Final answer
    x = 16,023,477,791.89

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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.