Home / 12,042,682.28-16,614,856.50-7,694,313.92

Finding the Fourth Proportional to 12,042,682.28, 16,614,856.50 and 7,694,313.92

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Solution

The fourth proportional to 12,042,682.28, 16,614,856.50 and 7,694,313.92 is: 10,615,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,682.28 : 16,614,856.50 = 7,694,313.92 : x
  2. Step 2: Convert to fraction form
    12,042,682.28/16,614,856.50 = 7,694,313.92/x
  3. Step 3: Cross multiply
    12,042,682.28x = 16,614,856.50 × 7,694,313.92
  4. Step 4: Simplify right side
    12,042,682.28x = 127,839,921,646,752.48
  5. Step 5: Solve for x
    x = 127,839,921,646,752.48/12,042,682.28
  6. Step 6: Final answer
    x = 10,615,568.75

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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.