Home / 14,970,909.78-20,659,979.06-8,265,458.43

Finding the Fourth Proportional to 14,970,909.78, 20,659,979.06 and 8,265,458.43

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Solution

The fourth proportional to 14,970,909.78, 20,659,979.06 and 8,265,458.43 is: 11,406,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,909.78 : 20,659,979.06 = 8,265,458.43 : x
  2. Step 2: Convert to fraction form
    14,970,909.78/20,659,979.06 = 8,265,458.43/x
  3. Step 3: Cross multiply
    14,970,909.78x = 20,659,979.06 × 8,265,458.43
  4. Step 4: Simplify right side
    14,970,909.78x = 170,764,197,940,473.28
  5. Step 5: Solve for x
    x = 170,764,197,940,473.28/14,970,909.78
  6. Step 6: Final answer
    x = 11,406,400.85

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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.