Home / 12,283,321.20-18,396,988.20-7,244,473.20

Finding the Fourth Proportional to 12,283,321.20, 18,396,988.20 and 7,244,473.20

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Solution

The fourth proportional to 12,283,321.20, 18,396,988.20 and 7,244,473.20 is: 10,850,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,321.20 : 18,396,988.20 = 7,244,473.20 : x
  2. Step 2: Convert to fraction form
    12,283,321.20/18,396,988.20 = 7,244,473.20/x
  3. Step 3: Cross multiply
    12,283,321.20x = 18,396,988.20 × 7,244,473.20
  4. Step 4: Simplify right side
    12,283,321.20x = 133,276,487,975,616.23
  5. Step 5: Solve for x
    x = 133,276,487,975,616.23/12,283,321.20
  6. Step 6: Final answer
    x = 10,850,199.70

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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.