Home / 13,389,402.28-20,086,776.06-7,002,529.96

Finding the Fourth Proportional to 13,389,402.28, 20,086,776.06 and 7,002,529.96

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Solution

The fourth proportional to 13,389,402.28, 20,086,776.06 and 7,002,529.96 is: 10,505,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,402.28 : 20,086,776.06 = 7,002,529.96 : x
  2. Step 2: Convert to fraction form
    13,389,402.28/20,086,776.06 = 7,002,529.96/x
  3. Step 3: Cross multiply
    13,389,402.28x = 20,086,776.06 × 7,002,529.96
  4. Step 4: Simplify right side
    13,389,402.28x = 140,658,251,159,960.75
  5. Step 5: Solve for x
    x = 140,658,251,159,960.75/13,389,402.28
  6. Step 6: Final answer
    x = 10,505,192.71

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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.