Home / 11,945,411.20-17,906,765.28-7,615,306.72

Finding the Fourth Proportional to 11,945,411.20, 17,906,765.28 and 7,615,306.72

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Solution

The fourth proportional to 11,945,411.20, 17,906,765.28 and 7,615,306.72 is: 11,415,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,411.20 : 17,906,765.28 = 7,615,306.72 : x
  2. Step 2: Convert to fraction form
    11,945,411.20/17,906,765.28 = 7,615,306.72/x
  3. Step 3: Cross multiply
    11,945,411.20x = 17,906,765.28 × 7,615,306.72
  4. Step 4: Simplify right side
    11,945,411.20x = 136,365,509,970,246.69
  5. Step 5: Solve for x
    x = 136,365,509,970,246.69/11,945,411.20
  6. Step 6: Final answer
    x = 11,415,723.38

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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.