Home / 26,711,943.80-40,067,915.70-15,941,406.20

Finding the Fourth Proportional to 26,711,943.80, 40,067,915.70 and 15,941,406.20

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Solution

The fourth proportional to 26,711,943.80, 40,067,915.70 and 15,941,406.20 is: 23,912,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711,943.80 : 40,067,915.70 = 15,941,406.20 : x
  2. Step 2: Convert to fraction form
    26,711,943.80/40,067,915.70 = 15,941,406.20/x
  3. Step 3: Cross multiply
    26,711,943.80x = 40,067,915.70 × 15,941,406.20
  4. Step 4: Simplify right side
    26,711,943.80x = 638,738,919,761,057.38
  5. Step 5: Solve for x
    x = 638,738,919,761,057.38/26,711,943.80
  6. Step 6: Final answer
    x = 23,912,109.30

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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.