Home / 10,135,790.92-13,987,617.33-5,784,789.96

Finding the Fourth Proportional to 10,135,790.92, 13,987,617.33 and 5,784,789.96

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Solution

The fourth proportional to 10,135,790.92, 13,987,617.33 and 5,784,789.96 is: 7,983,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135,790.92 : 13,987,617.33 = 5,784,789.96 : x
  2. Step 2: Convert to fraction form
    10,135,790.92/13,987,617.33 = 5,784,789.96/x
  3. Step 3: Cross multiply
    10,135,790.92x = 13,987,617.33 × 5,784,789.96
  4. Step 4: Simplify right side
    10,135,790.92x = 80,915,428,316,598.97
  5. Step 5: Solve for x
    x = 80,915,428,316,598.97/10,135,790.92
  6. Step 6: Final answer
    x = 7,983,139.05

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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.