Home / 8,309,739.27-12,465,322.52-2,917,926.21

Finding the Fourth Proportional to 8,309,739.27, 12,465,322.52 and 2,917,926.21

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Solution

The fourth proportional to 8,309,739.27, 12,465,322.52 and 2,917,926.21 is: 4,377,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,739.27 : 12,465,322.52 = 2,917,926.21 : x
  2. Step 2: Convert to fraction form
    8,309,739.27/12,465,322.52 = 2,917,926.21/x
  3. Step 3: Cross multiply
    8,309,739.27x = 12,465,322.52 × 2,917,926.21
  4. Step 4: Simplify right side
    8,309,739.27x = 36,372,891,282,621.62
  5. Step 5: Solve for x
    x = 36,372,891,282,621.62/8,309,739.27
  6. Step 6: Final answer
    x = 4,377,139.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.