Home / 12,115,267.53-16,740,841.85-9,209,613.87

Finding the Fourth Proportional to 12,115,267.53, 16,740,841.85 and 9,209,613.87

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Solution

The fourth proportional to 12,115,267.53, 16,740,841.85 and 9,209,613.87 is: 12,725,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,267.53 : 16,740,841.85 = 9,209,613.87 : x
  2. Step 2: Convert to fraction form
    12,115,267.53/16,740,841.85 = 9,209,613.87/x
  3. Step 3: Cross multiply
    12,115,267.53x = 16,740,841.85 × 9,209,613.87
  4. Step 4: Simplify right side
    12,115,267.53x = 154,176,689,251,188.38
  5. Step 5: Solve for x
    x = 154,176,689,251,188.38/12,115,267.53
  6. Step 6: Final answer
    x = 12,725,817.97

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1.5x scale

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.