Home / 12,764,814.87-17,614,086.12-7,182,963.93

Finding the Fourth Proportional to 12,764,814.87, 17,614,086.12 and 7,182,963.93

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Solution

The fourth proportional to 12,764,814.87, 17,614,086.12 and 7,182,963.93 is: 9,911,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,814.87 : 17,614,086.12 = 7,182,963.93 : x
  2. Step 2: Convert to fraction form
    12,764,814.87/17,614,086.12 = 7,182,963.93/x
  3. Step 3: Cross multiply
    12,764,814.87x = 17,614,086.12 × 7,182,963.93
  4. Step 4: Simplify right side
    12,764,814.87x = 126,521,345,259,873.66
  5. Step 5: Solve for x
    x = 126,521,345,259,873.66/12,764,814.87
  6. Step 6: Final answer
    x = 9,911,725.83

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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.