Home / 8,239,167.69-12,359,425.46-4,138,380.21

Finding the Fourth Proportional to 8,239,167.69, 12,359,425.46 and 4,138,380.21

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Solution

The fourth proportional to 8,239,167.69, 12,359,425.46 and 4,138,380.21 is: 6,207,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,167.69 : 12,359,425.46 = 4,138,380.21 : x
  2. Step 2: Convert to fraction form
    8,239,167.69/12,359,425.46 = 4,138,380.21/x
  3. Step 3: Cross multiply
    8,239,167.69x = 12,359,425.46 × 4,138,380.21
  4. Step 4: Simplify right side
    8,239,167.69x = 51,148,001,730,634.15
  5. Step 5: Solve for x
    x = 51,148,001,730,634.15/8,239,167.69
  6. Step 6: Final answer
    x = 6,207,908.81

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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.