Home / 12,204,179.95-16,840,655.24-7,241,766.23

Finding the Fourth Proportional to 12,204,179.95, 16,840,655.24 and 7,241,766.23

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Solution

The fourth proportional to 12,204,179.95, 16,840,655.24 and 7,241,766.23 is: 9,992,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,179.95 : 16,840,655.24 = 7,241,766.23 : x
  2. Step 2: Convert to fraction form
    12,204,179.95/16,840,655.24 = 7,241,766.23/x
  3. Step 3: Cross multiply
    12,204,179.95x = 16,840,655.24 × 7,241,766.23
  4. Step 4: Simplify right side
    12,204,179.95x = 121,956,088,413,997.34
  5. Step 5: Solve for x
    x = 121,956,088,413,997.34/12,204,179.95
  6. Step 6: Final answer
    x = 9,992,976.91

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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.