Home / 28,912,545.85-43,382,062.68-12,522,843.31

Finding the Fourth Proportional to 28,912,545.85, 43,382,062.68 and 12,522,843.31

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Solution

The fourth proportional to 28,912,545.85, 43,382,062.68 and 12,522,843.31 is: 18,790,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,545.85 : 43,382,062.68 = 12,522,843.31 : x
  2. Step 2: Convert to fraction form
    28,912,545.85/43,382,062.68 = 12,522,843.31/x
  3. Step 3: Cross multiply
    28,912,545.85x = 43,382,062.68 × 12,522,843.31
  4. Step 4: Simplify right side
    28,912,545.85x = 543,266,773,406,238.69
  5. Step 5: Solve for x
    x = 543,266,773,406,238.69/28,912,545.85
  6. Step 6: Final answer
    x = 18,790,001.28

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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.