Home / 19,431,517.10-29,157,363.18-7,925,425.79

Finding the Fourth Proportional to 19,431,517.10, 29,157,363.18 and 7,925,425.79

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Solution

The fourth proportional to 19,431,517.10, 29,157,363.18 and 7,925,425.79 is: 11,892,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,517.10 : 29,157,363.18 = 7,925,425.79 : x
  2. Step 2: Convert to fraction form
    19,431,517.10/29,157,363.18 = 7,925,425.79/x
  3. Step 3: Cross multiply
    19,431,517.10x = 29,157,363.18 × 7,925,425.79
  4. Step 4: Simplify right side
    19,431,517.10x = 231,084,517,969,381.59
  5. Step 5: Solve for x
    x = 231,084,517,969,381.59/19,431,517.10
  6. Step 6: Final answer
    x = 11,892,253.03

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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.