Home / 15,546,145.32-21,453,717.78-8,671,072.68

Finding the Fourth Proportional to 15,546,145.32, 21,453,717.78 and 8,671,072.68

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Solution

The fourth proportional to 15,546,145.32, 21,453,717.78 and 8,671,072.68 is: 11,966,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546,145.32 : 21,453,717.78 = 8,671,072.68 : x
  2. Step 2: Convert to fraction form
    15,546,145.32/21,453,717.78 = 8,671,072.68/x
  3. Step 3: Cross multiply
    15,546,145.32x = 21,453,717.78 × 8,671,072.68
  4. Step 4: Simplify right side
    15,546,145.32x = 186,026,746,126,588.25
  5. Step 5: Solve for x
    x = 186,026,746,126,588.25/15,546,145.32
  6. Step 6: Final answer
    x = 11,966,101.07

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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.