Home / 8,678,381.96-11,973,691.38-5,007,007.88

Finding the Fourth Proportional to 8,678,381.96, 11,973,691.38 and 5,007,007.88

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Solution

The fourth proportional to 8,678,381.96, 11,973,691.38 and 5,007,007.88 is: 6,908,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,381.96 : 11,973,691.38 = 5,007,007.88 : x
  2. Step 2: Convert to fraction form
    8,678,381.96/11,973,691.38 = 5,007,007.88/x
  3. Step 3: Cross multiply
    8,678,381.96x = 11,973,691.38 × 5,007,007.88
  4. Step 4: Simplify right side
    8,678,381.96x = 59,952,367,092,348.08
  5. Step 5: Solve for x
    x = 59,952,367,092,348.08/8,678,381.96
  6. Step 6: Final answer
    x = 6,908,242.50

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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.