Home / 8,717,489.32-12,023,318.82-5,662,687.72

Finding the Fourth Proportional to 8,717,489.32, 12,023,318.82 and 5,662,687.72

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Solution

The fourth proportional to 8,717,489.32, 12,023,318.82 and 5,662,687.72 is: 7,810,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717,489.32 : 12,023,318.82 = 5,662,687.72 : x
  2. Step 2: Convert to fraction form
    8,717,489.32/12,023,318.82 = 5,662,687.72/x
  3. Step 3: Cross multiply
    8,717,489.32x = 12,023,318.82 × 5,662,687.72
  4. Step 4: Simplify right side
    8,717,489.32x = 68,084,299,835,658.89
  5. Step 5: Solve for x
    x = 68,084,299,835,658.89/8,717,489.32
  6. Step 6: Final answer
    x = 7,810,081.24

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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.