Home / 12,474,212.80-18,711,319.20-12,306,251.20

Finding the Fourth Proportional to 12,474,212.80, 18,711,319.20 and 12,306,251.20

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Solution

The fourth proportional to 12,474,212.80, 18,711,319.20 and 12,306,251.20 is: 18,459,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,212.80 : 18,711,319.20 = 12,306,251.20 : x
  2. Step 2: Convert to fraction form
    12,474,212.80/18,711,319.20 = 12,306,251.20/x
  3. Step 3: Cross multiply
    12,474,212.80x = 18,711,319.20 × 12,306,251.20
  4. Step 4: Simplify right side
    12,474,212.80x = 230,266,194,358,583.03
  5. Step 5: Solve for x
    x = 230,266,194,358,583.03/12,474,212.80
  6. Step 6: Final answer
    x = 18,459,376.80

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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.