Home / 19,878,049.80-29,817,350.10-13,098,025.80

Finding the Fourth Proportional to 19,878,049.80, 29,817,350.10 and 13,098,025.80

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Solution

The fourth proportional to 19,878,049.80, 29,817,350.10 and 13,098,025.80 is: 19,647,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878,049.80 : 29,817,350.10 = 13,098,025.80 : x
  2. Step 2: Convert to fraction form
    19,878,049.80/29,817,350.10 = 13,098,025.80/x
  3. Step 3: Cross multiply
    19,878,049.80x = 29,817,350.10 × 13,098,025.80
  4. Step 4: Simplify right side
    19,878,049.80x = 390,548,420,897,432.62
  5. Step 5: Solve for x
    x = 390,548,420,897,432.62/19,878,049.80
  6. Step 6: Final answer
    x = 19,647,220.17

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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.