Home / 13,787,472.16-20,681,213.48-13,767,548.64

Finding the Fourth Proportional to 13,787,472.16, 20,681,213.48 and 13,767,548.64

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Solution

The fourth proportional to 13,787,472.16, 20,681,213.48 and 13,767,548.64 is: 20,651,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,472.16 : 20,681,213.48 = 13,767,548.64 : x
  2. Step 2: Convert to fraction form
    13,787,472.16/20,681,213.48 = 13,767,548.64/x
  3. Step 3: Cross multiply
    13,787,472.16x = 20,681,213.48 × 13,767,548.64
  4. Step 4: Simplify right side
    13,787,472.16x = 284,729,612,520,123.69
  5. Step 5: Solve for x
    x = 284,729,612,520,123.69/13,787,472.16
  6. Step 6: Final answer
    x = 20,651,328.19

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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.