Home / 13,885,529.67-19,160,572.20-7,690,414.10

Finding the Fourth Proportional to 13,885,529.67, 19,160,572.20 and 7,690,414.10

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Solution

The fourth proportional to 13,885,529.67, 19,160,572.20 and 7,690,414.10 is: 10,611,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,529.67 : 19,160,572.20 = 7,690,414.10 : x
  2. Step 2: Convert to fraction form
    13,885,529.67/19,160,572.20 = 7,690,414.10/x
  3. Step 3: Cross multiply
    13,885,529.67x = 19,160,572.20 × 7,690,414.10
  4. Step 4: Simplify right side
    13,885,529.67x = 147,352,734,515,145.16
  5. Step 5: Solve for x
    x = 147,352,734,515,145.16/13,885,529.67
  6. Step 6: Final answer
    x = 10,611,963.53

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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.