Home / 13,667,380.28-18,865,734.45-7,868,473.10

Finding the Fourth Proportional to 13,667,380.28, 18,865,734.45 and 7,868,473.10

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Solution

The fourth proportional to 13,667,380.28, 18,865,734.45 and 7,868,473.10 is: 10,861,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,380.28 : 18,865,734.45 = 7,868,473.10 : x
  2. Step 2: Convert to fraction form
    13,667,380.28/18,865,734.45 = 7,868,473.10/x
  3. Step 3: Cross multiply
    13,667,380.28x = 18,865,734.45 × 7,868,473.10
  4. Step 4: Simplify right side
    13,667,380.28x = 148,444,524,031,568.28
  5. Step 5: Solve for x
    x = 148,444,524,031,568.28/13,667,380.28
  6. Step 6: Final answer
    x = 10,861,227.32

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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.