Home / 13,411,614.52-20,120,421.92-4,891,951.08

Finding the Fourth Proportional to 13,411,614.52, 20,120,421.92 and 4,891,951.08

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Solution

The fourth proportional to 13,411,614.52, 20,120,421.92 and 4,891,951.08 is: 7,339,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,614.52 : 20,120,421.92 = 4,891,951.08 : x
  2. Step 2: Convert to fraction form
    13,411,614.52/20,120,421.92 = 4,891,951.08/x
  3. Step 3: Cross multiply
    13,411,614.52x = 20,120,421.92 × 4,891,951.08
  4. Step 4: Simplify right side
    13,411,614.52x = 98,428,119,741,599.69
  5. Step 5: Solve for x
    x = 98,428,119,741,599.69/13,411,614.52
  6. Step 6: Final answer
    x = 7,339,020.94

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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.