Home / 12,475,191.64-17,215,908.06-7,318,640.92

Finding the Fourth Proportional to 12,475,191.64, 17,215,908.06 and 7,318,640.92

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Solution

The fourth proportional to 12,475,191.64, 17,215,908.06 and 7,318,640.92 is: 10,099,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,191.64 : 17,215,908.06 = 7,318,640.92 : x
  2. Step 2: Convert to fraction form
    12,475,191.64/17,215,908.06 = 7,318,640.92/x
  3. Step 3: Cross multiply
    12,475,191.64x = 17,215,908.06 × 7,318,640.92
  4. Step 4: Simplify right side
    12,475,191.64x = 125,997,049,202,873.80
  5. Step 5: Solve for x
    x = 125,997,049,202,873.80/12,475,191.64
  6. Step 6: Final answer
    x = 10,099,808.71

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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.