Home / 12,096,909.30-18,145,363.95-5,378,445.30

Finding the Fourth Proportional to 12,096,909.30, 18,145,363.95 and 5,378,445.30

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Solution

The fourth proportional to 12,096,909.30, 18,145,363.95 and 5,378,445.30 is: 8,067,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,909.30 : 18,145,363.95 = 5,378,445.30 : x
  2. Step 2: Convert to fraction form
    12,096,909.30/18,145,363.95 = 5,378,445.30/x
  3. Step 3: Cross multiply
    12,096,909.30x = 18,145,363.95 × 5,378,445.30
  4. Step 4: Simplify right side
    12,096,909.30x = 97,593,847,453,666.92
  5. Step 5: Solve for x
    x = 97,593,847,453,666.92/12,096,909.30
  6. Step 6: Final answer
    x = 8,067,667.95

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Similar ratio
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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.