Home / 12,474,247.80-18,711,371.70-4,387,159.20

Finding the Fourth Proportional to 12,474,247.80, 18,711,371.70 and 4,387,159.20

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Solution

The fourth proportional to 12,474,247.80, 18,711,371.70 and 4,387,159.20 is: 6,580,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,247.80 : 18,711,371.70 = 4,387,159.20 : x
  2. Step 2: Convert to fraction form
    12,474,247.80/18,711,371.70 = 4,387,159.20/x
  3. Step 3: Cross multiply
    12,474,247.80x = 18,711,371.70 × 4,387,159.20
  4. Step 4: Simplify right side
    12,474,247.80x = 82,089,766,498,274.64
  5. Step 5: Solve for x
    x = 82,089,766,498,274.64/12,474,247.80
  6. Step 6: Final answer
    x = 6,580,738.80

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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.