Home / 18,023,763.12-27,092,331.76-15,657,079.20

Finding the Fourth Proportional to 18,023,763.12, 27,092,331.76 and 15,657,079.20

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Solution

The fourth proportional to 18,023,763.12, 27,092,331.76 and 15,657,079.20 is: 23,534,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023,763.12 : 27,092,331.76 = 15,657,079.20 : x
  2. Step 2: Convert to fraction form
    18,023,763.12/27,092,331.76 = 15,657,079.20/x
  3. Step 3: Cross multiply
    18,023,763.12x = 27,092,331.76 × 15,657,079.20
  4. Step 4: Simplify right side
    18,023,763.12x = 424,186,784,078,995.38
  5. Step 5: Solve for x
    x = 424,186,784,078,995.38/18,023,763.12
  6. Step 6: Final answer
    x = 23,534,862.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.