Home / 9,169,965.48-12,654,578.87-5,040,419.75

Finding the Fourth Proportional to 9,169,965.48, 12,654,578.87 and 5,040,419.75

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Solution

The fourth proportional to 9,169,965.48, 12,654,578.87 and 5,040,419.75 is: 6,955,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,965.48 : 12,654,578.87 = 5,040,419.75 : x
  2. Step 2: Convert to fraction form
    9,169,965.48/12,654,578.87 = 5,040,419.75/x
  3. Step 3: Cross multiply
    9,169,965.48x = 12,654,578.87 × 5,040,419.75
  4. Step 4: Simplify right side
    9,169,965.48x = 63,784,389,313,343.94
  5. Step 5: Solve for x
    x = 63,784,389,313,343.94/9,169,965.48
  6. Step 6: Final answer
    x = 6,955,793.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.