Home / 40,724,391.38-61,086,604.35-11,970,528.98

Finding the Fourth Proportional to 40,724,391.38, 61,086,604.35 and 11,970,528.98

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Solution

The fourth proportional to 40,724,391.38, 61,086,604.35 and 11,970,528.98 is: 17,955,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724,391.38 : 61,086,604.35 = 11,970,528.98 : x
  2. Step 2: Convert to fraction form
    40,724,391.38/61,086,604.35 = 11,970,528.98/x
  3. Step 3: Cross multiply
    40,724,391.38x = 61,086,604.35 × 11,970,528.98
  4. Step 4: Simplify right side
    40,724,391.38x = 731,238,967,661,469.12
  5. Step 5: Solve for x
    x = 731,238,967,661,469.12/40,724,391.38
  6. Step 6: Final answer
    x = 17,955,798.55

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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.