Home / 12,096,679.40-18,145,019.10-7,309,773.80

Finding the Fourth Proportional to 12,096,679.40, 18,145,019.10 and 7,309,773.80

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Solution

The fourth proportional to 12,096,679.40, 18,145,019.10 and 7,309,773.80 is: 10,964,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,679.40 : 18,145,019.10 = 7,309,773.80 : x
  2. Step 2: Convert to fraction form
    12,096,679.40/18,145,019.10 = 7,309,773.80/x
  3. Step 3: Cross multiply
    12,096,679.40x = 18,145,019.10 × 7,309,773.80
  4. Step 4: Simplify right side
    12,096,679.40x = 132,635,985,217,679.59
  5. Step 5: Solve for x
    x = 132,635,985,217,679.59/12,096,679.40
  6. Step 6: Final answer
    x = 10,964,660.70

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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.