Home / 13,389,401.28-20,086,774.56-7,002,528.96

Finding the Fourth Proportional to 13,389,401.28, 20,086,774.56 and 7,002,528.96

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Solution

The fourth proportional to 13,389,401.28, 20,086,774.56 and 7,002,528.96 is: 10,505,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,401.28 : 20,086,774.56 = 7,002,528.96 : x
  2. Step 2: Convert to fraction form
    13,389,401.28/20,086,774.56 = 7,002,528.96/x
  3. Step 3: Cross multiply
    13,389,401.28x = 20,086,774.56 × 7,002,528.96
  4. Step 4: Simplify right side
    13,389,401.28x = 140,658,220,569,391.25
  5. Step 5: Solve for x
    x = 140,658,220,569,391.25/13,389,401.28
  6. Step 6: Final answer
    x = 10,505,191.21

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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.