Home / 12,096,677.40-18,145,016.10-7,309,771.80

Finding the Fourth Proportional to 12,096,677.40, 18,145,016.10 and 7,309,771.80

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Solution

The fourth proportional to 12,096,677.40, 18,145,016.10 and 7,309,771.80 is: 10,964,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,677.40 : 18,145,016.10 = 7,309,771.80 : x
  2. Step 2: Convert to fraction form
    12,096,677.40/18,145,016.10 = 7,309,771.80/x
  3. Step 3: Cross multiply
    12,096,677.40x = 18,145,016.10 × 7,309,771.80
  4. Step 4: Simplify right side
    12,096,677.40x = 132,635,926,998,325.98
  5. Step 5: Solve for x
    x = 132,635,926,998,325.98/12,096,677.40
  6. Step 6: Final answer
    x = 10,964,657.70

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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.