Home / 44,487,105.80-66,730,658.70-18,921,691.40

Finding the Fourth Proportional to 44,487,105.80, 66,730,658.70 and 18,921,691.40

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Solution

The fourth proportional to 44,487,105.80, 66,730,658.70 and 18,921,691.40 is: 28,382,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,487,105.80 : 66,730,658.70 = 18,921,691.40 : x
  2. Step 2: Convert to fraction form
    44,487,105.80/66,730,658.70 = 18,921,691.40/x
  3. Step 3: Cross multiply
    44,487,105.80x = 66,730,658.70 × 18,921,691.40
  4. Step 4: Simplify right side
    44,487,105.80x = 1,262,656,930,840,125.25
  5. Step 5: Solve for x
    x = 1,262,656,930,840,125.25/44,487,105.80
  6. Step 6: Final answer
    x = 28,382,537.10

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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.