Home / 12,472,078.16-18,708,637.56-3,952,226

Finding the Fourth Proportional to 12,472,078.16, 18,708,637.56 and 3,952,226

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Solution

The fourth proportional to 12,472,078.16, 18,708,637.56 and 3,952,226 is: 5,928,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,078.16 : 18,708,637.56 = 3,952,226 : x
  2. Step 2: Convert to fraction form
    12,472,078.16/18,708,637.56 = 3,952,226/x
  3. Step 3: Cross multiply
    12,472,078.16x = 18,708,637.56 × 3,952,226
  4. Step 4: Simplify right side
    12,472,078.16x = 73,940,763,789,208.56
  5. Step 5: Solve for x
    x = 73,940,763,789,208.56/12,472,078.16
  6. Step 6: Final answer
    x = 5,928,503.88

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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.