Home / 12,096,002.30-18,144,003.45-7,318,427.90

Finding the Fourth Proportional to 12,096,002.30, 18,144,003.45 and 7,318,427.90

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Solution

The fourth proportional to 12,096,002.30, 18,144,003.45 and 7,318,427.90 is: 10,977,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,002.30 : 18,144,003.45 = 7,318,427.90 : x
  2. Step 2: Convert to fraction form
    12,096,002.30/18,144,003.45 = 7,318,427.90/x
  3. Step 3: Cross multiply
    12,096,002.30x = 18,144,003.45 × 7,318,427.90
  4. Step 4: Simplify right side
    12,096,002.30x = 132,785,581,066,176.25
  5. Step 5: Solve for x
    x = 132,785,581,066,176.25/12,096,002.30
  6. Step 6: Final answer
    x = 10,977,641.85

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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.