Home / 34,258,654.79-47,279,933.46-18,791,728.78

Finding the Fourth Proportional to 34,258,654.79, 47,279,933.46 and 18,791,728.78

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Solution

The fourth proportional to 34,258,654.79, 47,279,933.46 and 18,791,728.78 is: 25,934,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258,654.79 : 47,279,933.46 = 18,791,728.78 : x
  2. Step 2: Convert to fraction form
    34,258,654.79/47,279,933.46 = 18,791,728.78/x
  3. Step 3: Cross multiply
    34,258,654.79x = 47,279,933.46 × 18,791,728.78
  4. Step 4: Simplify right side
    34,258,654.79x = 888,471,686,198,567.12
  5. Step 5: Solve for x
    x = 888,471,686,198,567.12/34,258,654.79
  6. Step 6: Final answer
    x = 25,934,225.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.