Home / 8,587,508.60-12,881,262.90-8,167,604.60

Finding the Fourth Proportional to 8,587,508.60, 12,881,262.90 and 8,167,604.60

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Solution

The fourth proportional to 8,587,508.60, 12,881,262.90 and 8,167,604.60 is: 12,251,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,508.60 : 12,881,262.90 = 8,167,604.60 : x
  2. Step 2: Convert to fraction form
    8,587,508.60/12,881,262.90 = 8,167,604.60/x
  3. Step 3: Cross multiply
    8,587,508.60x = 12,881,262.90 × 8,167,604.60
  4. Step 4: Simplify right side
    8,587,508.60x = 105,209,062,115,849.34
  5. Step 5: Solve for x
    x = 105,209,062,115,849.34/8,587,508.60
  6. Step 6: Final answer
    x = 12,251,406.90

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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.