Home / 10,471,912.10-15,707,868.15-9,086,228.90

Finding the Fourth Proportional to 10,471,912.10, 15,707,868.15 and 9,086,228.90

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Solution

The fourth proportional to 10,471,912.10, 15,707,868.15 and 9,086,228.90 is: 13,629,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471,912.10 : 15,707,868.15 = 9,086,228.90 : x
  2. Step 2: Convert to fraction form
    10,471,912.10/15,707,868.15 = 9,086,228.90/x
  3. Step 3: Cross multiply
    10,471,912.10x = 15,707,868.15 × 9,086,228.90
  4. Step 4: Simplify right side
    10,471,912.10x = 142,725,285,541,919.53
  5. Step 5: Solve for x
    x = 142,725,285,541,919.53/10,471,912.10
  6. Step 6: Final answer
    x = 13,629,343.35

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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.