Home / 28,724,589.90-43,086,884.85-13,608,045.90

Finding the Fourth Proportional to 28,724,589.90, 43,086,884.85 and 13,608,045.90

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Solution

The fourth proportional to 28,724,589.90, 43,086,884.85 and 13,608,045.90 is: 20,412,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,589.90 : 43,086,884.85 = 13,608,045.90 : x
  2. Step 2: Convert to fraction form
    28,724,589.90/43,086,884.85 = 13,608,045.90/x
  3. Step 3: Cross multiply
    28,724,589.90x = 43,086,884.85 × 13,608,045.90
  4. Step 4: Simplify right side
    28,724,589.90x = 586,328,306,726,814.62
  5. Step 5: Solve for x
    x = 586,328,306,726,814.62/28,724,589.90
  6. Step 6: Final answer
    x = 20,412,068.85

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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.