Home / 12,481,409.20-18,722,113.80-3,025,793.20

Finding the Fourth Proportional to 12,481,409.20, 18,722,113.80 and 3,025,793.20

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Solution

The fourth proportional to 12,481,409.20, 18,722,113.80 and 3,025,793.20 is: 4,538,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,409.20 : 18,722,113.80 = 3,025,793.20 : x
  2. Step 2: Convert to fraction form
    12,481,409.20/18,722,113.80 = 3,025,793.20/x
  3. Step 3: Cross multiply
    12,481,409.20x = 18,722,113.80 × 3,025,793.20
  4. Step 4: Simplify right side
    12,481,409.20x = 56,649,244,625,666.16
  5. Step 5: Solve for x
    x = 56,649,244,625,666.16/12,481,409.20
  6. Step 6: Final answer
    x = 4,538,689.80

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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.