Home / 12,474,254.75-18,718,847.10-5,382,542.75

Finding the Fourth Proportional to 12,474,254.75, 18,718,847.10 and 5,382,542.75

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Solution

The fourth proportional to 12,474,254.75, 18,718,847.10 and 5,382,542.75 is: 8,077,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,254.75 : 18,718,847.10 = 5,382,542.75 : x
  2. Step 2: Convert to fraction form
    12,474,254.75/18,718,847.10 = 5,382,542.75/x
  3. Step 3: Cross multiply
    12,474,254.75x = 18,718,847.10 × 5,382,542.75
  4. Step 4: Simplify right side
    12,474,254.75x = 100,754,994,746,463.53
  5. Step 5: Solve for x
    x = 100,754,994,746,463.53/12,474,254.75
  6. Step 6: Final answer
    x = 8,077,035.20

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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.