Home / 42,007,914.20-62,986,988.10-21,852,522.20

Finding the Fourth Proportional to 42,007,914.20, 62,986,988.10 and 21,852,522.20

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Solution

The fourth proportional to 42,007,914.20, 62,986,988.10 and 21,852,522.20 is: 32,765,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007,914.20 : 62,986,988.10 = 21,852,522.20 : x
  2. Step 2: Convert to fraction form
    42,007,914.20/62,986,988.10 = 21,852,522.20/x
  3. Step 3: Cross multiply
    42,007,914.20x = 62,986,988.10 × 21,852,522.20
  4. Step 4: Simplify right side
    42,007,914.20x = 1,376,424,555,766,385.75
  5. Step 5: Solve for x
    x = 1,376,424,555,766,385.75/42,007,914.20
  6. Step 6: Final answer
    x = 32,765,839.06

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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.