Home / 15,642,484.38-21,585,876.29-8,673,445.15

Finding the Fourth Proportional to 15,642,484.38, 21,585,876.29 and 8,673,445.15

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Solution

The fourth proportional to 15,642,484.38, 21,585,876.29 and 8,673,445.15 is: 11,968,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,484.38 : 21,585,876.29 = 8,673,445.15 : x
  2. Step 2: Convert to fraction form
    15,642,484.38/21,585,876.29 = 8,673,445.15/x
  3. Step 3: Cross multiply
    15,642,484.38x = 21,585,876.29 × 8,673,445.15
  4. Step 4: Simplify right side
    15,642,484.38x = 187,223,914,016,000.50
  5. Step 5: Solve for x
    x = 187,223,914,016,000.50/15,642,484.38
  6. Step 6: Final answer
    x = 11,968,937.25

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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.