Home / 8,156,673.12-11,253,023.11-4,670,148.56

Finding the Fourth Proportional to 8,156,673.12, 11,253,023.11 and 4,670,148.56

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Solution

The fourth proportional to 8,156,673.12, 11,253,023.11 and 4,670,148.56 is: 6,442,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,673.12 : 11,253,023.11 = 4,670,148.56 : x
  2. Step 2: Convert to fraction form
    8,156,673.12/11,253,023.11 = 4,670,148.56/x
  3. Step 3: Cross multiply
    8,156,673.12x = 11,253,023.11 × 4,670,148.56
  4. Step 4: Simplify right side
    8,156,673.12x = 52,553,289,684,488.59
  5. Step 5: Solve for x
    x = 52,553,289,684,488.59/8,156,673.12
  6. Step 6: Final answer
    x = 6,442,980.97

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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.