Home / 20,737,715.10-31,106,572.65-19,561,983.90

Finding the Fourth Proportional to 20,737,715.10, 31,106,572.65 and 19,561,983.90

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Solution

The fourth proportional to 20,737,715.10, 31,106,572.65 and 19,561,983.90 is: 29,342,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,715.10 : 31,106,572.65 = 19,561,983.90 : x
  2. Step 2: Convert to fraction form
    20,737,715.10/31,106,572.65 = 19,561,983.90/x
  3. Step 3: Cross multiply
    20,737,715.10x = 31,106,572.65 × 19,561,983.90
  4. Step 4: Simplify right side
    20,737,715.10x = 608,506,273,363,480.25
  5. Step 5: Solve for x
    x = 608,506,273,363,480.25/20,737,715.10
  6. Step 6: Final answer
    x = 29,342,975.85

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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.