Home / 12,524,606.80-18,786,910.20-9,690,254.80

Finding the Fourth Proportional to 12,524,606.80, 18,786,910.20 and 9,690,254.80

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Solution

The fourth proportional to 12,524,606.80, 18,786,910.20 and 9,690,254.80 is: 14,535,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,606.80 : 18,786,910.20 = 9,690,254.80 : x
  2. Step 2: Convert to fraction form
    12,524,606.80/18,786,910.20 = 9,690,254.80/x
  3. Step 3: Cross multiply
    12,524,606.80x = 18,786,910.20 × 9,690,254.80
  4. Step 4: Simplify right side
    12,524,606.80x = 182,049,946,742,718.97
  5. Step 5: Solve for x
    x = 182,049,946,742,718.97/12,524,606.80
  6. Step 6: Final answer
    x = 14,535,382.20

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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.