Home / 13,288,125.20-19,932,187.80-7,225,761.20

Finding the Fourth Proportional to 13,288,125.20, 19,932,187.80 and 7,225,761.20

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Solution

The fourth proportional to 13,288,125.20, 19,932,187.80 and 7,225,761.20 is: 10,838,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,125.20 : 19,932,187.80 = 7,225,761.20 : x
  2. Step 2: Convert to fraction form
    13,288,125.20/19,932,187.80 = 7,225,761.20/x
  3. Step 3: Cross multiply
    13,288,125.20x = 19,932,187.80 × 7,225,761.20
  4. Step 4: Simplify right side
    13,288,125.20x = 144,025,229,236,353.38
  5. Step 5: Solve for x
    x = 144,025,229,236,353.38/13,288,125.20
  6. Step 6: Final answer
    x = 10,838,641.80

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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.