Home / 9,170,030.70-13,755,046.05-8,386,209.90

Finding the Fourth Proportional to 9,170,030.70, 13,755,046.05 and 8,386,209.90

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Solution

The fourth proportional to 9,170,030.70, 13,755,046.05 and 8,386,209.90 is: 12,579,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,030.70 : 13,755,046.05 = 8,386,209.90 : x
  2. Step 2: Convert to fraction form
    9,170,030.70/13,755,046.05 = 8,386,209.90/x
  3. Step 3: Cross multiply
    9,170,030.70x = 13,755,046.05 × 8,386,209.90
  4. Step 4: Simplify right side
    9,170,030.70x = 115,352,703,359,465.91
  5. Step 5: Solve for x
    x = 115,352,703,359,465.91/9,170,030.70
  6. Step 6: Final answer
    x = 12,579,314.85

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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.