Home / 12,482,401.20-18,713,233.80-5,299,450.80

Finding the Fourth Proportional to 12,482,401.20, 18,713,233.80 and 5,299,450.80

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Solution

The fourth proportional to 12,482,401.20, 18,713,233.80 and 5,299,450.80 is: 7,944,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,401.20 : 18,713,233.80 = 5,299,450.80 : x
  2. Step 2: Convert to fraction form
    12,482,401.20/18,713,233.80 = 5,299,450.80/x
  3. Step 3: Cross multiply
    12,482,401.20x = 18,713,233.80 × 5,299,450.80
  4. Step 4: Simplify right side
    12,482,401.20x = 99,169,861,831,997.05
  5. Step 5: Solve for x
    x = 99,169,861,831,997.05/12,482,401.20
  6. Step 6: Final answer
    x = 7,944,774.43

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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.