Home / 13,941,979.28-20,895,154.84-11,247,575.12

Finding the Fourth Proportional to 13,941,979.28, 20,895,154.84 and 11,247,575.12

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Solution

The fourth proportional to 13,941,979.28, 20,895,154.84 and 11,247,575.12 is: 16,856,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,979.28 : 20,895,154.84 = 11,247,575.12 : x
  2. Step 2: Convert to fraction form
    13,941,979.28/20,895,154.84 = 11,247,575.12/x
  3. Step 3: Cross multiply
    13,941,979.28x = 20,895,154.84 × 11,247,575.12
  4. Step 4: Simplify right side
    13,941,979.28x = 235,019,823,706,931.56
  5. Step 5: Solve for x
    x = 235,019,823,706,931.56/13,941,979.28
  6. Step 6: Final answer
    x = 16,856,991.32

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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.