Home / 12,092,511.60-18,138,767.40-8,502,332.40

Finding the Fourth Proportional to 12,092,511.60, 18,138,767.40 and 8,502,332.40

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Solution

The fourth proportional to 12,092,511.60, 18,138,767.40 and 8,502,332.40 is: 12,753,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,511.60 : 18,138,767.40 = 8,502,332.40 : x
  2. Step 2: Convert to fraction form
    12,092,511.60/18,138,767.40 = 8,502,332.40/x
  3. Step 3: Cross multiply
    12,092,511.60x = 18,138,767.40 × 8,502,332.40
  4. Step 4: Simplify right side
    12,092,511.60x = 154,221,829,761,083.75
  5. Step 5: Solve for x
    x = 154,221,829,761,083.75/12,092,511.60
  6. Step 6: Final answer
    x = 12,753,498.60

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Similar ratio
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1.5x scale

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.