Home / 7,188,134.05-9,919,585.38-3,924,925.57

Finding the Fourth Proportional to 7,188,134.05, 9,919,585.38 and 3,924,925.57

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Solution

The fourth proportional to 7,188,134.05, 9,919,585.38 and 3,924,925.57 is: 5,416,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,134.05 : 9,919,585.38 = 3,924,925.57 : x
  2. Step 2: Convert to fraction form
    7,188,134.05/9,919,585.38 = 3,924,925.57/x
  3. Step 3: Cross multiply
    7,188,134.05x = 9,919,585.38 × 3,924,925.57
  4. Step 4: Simplify right side
    7,188,134.05x = 38,933,634,301,760.17
  5. Step 5: Solve for x
    x = 38,933,634,301,760.17/7,188,134.05
  6. Step 6: Final answer
    x = 5,416,375.66

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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.