Home / 10,286,565.76-15,432,414.28-7,259,843.89

Finding the Fourth Proportional to 10,286,565.76, 15,432,414.28 and 7,259,843.89

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Solution

The fourth proportional to 10,286,565.76, 15,432,414.28 and 7,259,843.89 is: 10,891,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,565.76 : 15,432,414.28 = 7,259,843.89 : x
  2. Step 2: Convert to fraction form
    10,286,565.76/15,432,414.28 = 7,259,843.89/x
  3. Step 3: Cross multiply
    10,286,565.76x = 15,432,414.28 × 7,259,843.89
  4. Step 4: Simplify right side
    10,286,565.76x = 112,036,918,518,606.73
  5. Step 5: Solve for x
    x = 112,036,918,518,606.73/10,286,565.76
  6. Step 6: Final answer
    x = 10,891,576.56

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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.