Home / 12,096,472.40-18,144,708.60-7,309,566.80

Finding the Fourth Proportional to 12,096,472.40, 18,144,708.60 and 7,309,566.80

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Solution

The fourth proportional to 12,096,472.40, 18,144,708.60 and 7,309,566.80 is: 10,964,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,472.40 : 18,144,708.60 = 7,309,566.80 : x
  2. Step 2: Convert to fraction form
    12,096,472.40/18,144,708.60 = 7,309,566.80/x
  3. Step 3: Cross multiply
    12,096,472.40x = 18,144,708.60 × 7,309,566.80
  4. Step 4: Simplify right side
    12,096,472.40x = 132,629,959,578,234.48
  5. Step 5: Solve for x
    x = 132,629,959,578,234.48/12,096,472.40
  6. Step 6: Final answer
    x = 10,964,350.20

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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.