Home / 20,737,701.90-31,106,552.85-13,170,098.70

Finding the Fourth Proportional to 20,737,701.90, 31,106,552.85 and 13,170,098.70

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Solution

The fourth proportional to 20,737,701.90, 31,106,552.85 and 13,170,098.70 is: 19,755,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,701.90 : 31,106,552.85 = 13,170,098.70 : x
  2. Step 2: Convert to fraction form
    20,737,701.90/31,106,552.85 = 13,170,098.70/x
  3. Step 3: Cross multiply
    20,737,701.90x = 31,106,552.85 × 13,170,098.70
  4. Step 4: Simplify right side
    20,737,701.90x = 409,676,371,251,266.31
  5. Step 5: Solve for x
    x = 409,676,371,251,266.31/20,737,701.90
  6. Step 6: Final answer
    x = 19,755,148.05

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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.