Home / 12,204,171.31-16,840,643.21-7,241,757.43

Finding the Fourth Proportional to 12,204,171.31, 16,840,643.21 and 7,241,757.43

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Solution

The fourth proportional to 12,204,171.31, 16,840,643.21 and 7,241,757.43 is: 9,992,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,171.31 : 16,840,643.21 = 7,241,757.43 : x
  2. Step 2: Convert to fraction form
    12,204,171.31/16,840,643.21 = 7,241,757.43/x
  3. Step 3: Cross multiply
    12,204,171.31x = 16,840,643.21 × 7,241,757.43
  4. Step 4: Simplify right side
    12,204,171.31x = 121,955,853,055,787.75
  5. Step 5: Solve for x
    x = 121,955,853,055,787.75/12,204,171.31
  6. Step 6: Final answer
    x = 9,992,964.70

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1.5x scale

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.