Home / 18,468,034.80-27,702,052.20-12,303,319.20

Finding the Fourth Proportional to 18,468,034.80, 27,702,052.20 and 12,303,319.20

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Solution

The fourth proportional to 18,468,034.80, 27,702,052.20 and 12,303,319.20 is: 18,454,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,034.80 : 27,702,052.20 = 12,303,319.20 : x
  2. Step 2: Convert to fraction form
    18,468,034.80/27,702,052.20 = 12,303,319.20/x
  3. Step 3: Cross multiply
    18,468,034.80x = 27,702,052.20 × 12,303,319.20
  4. Step 4: Simplify right side
    18,468,034.80x = 340,827,190,711,662.19
  5. Step 5: Solve for x
    x = 340,827,190,711,662.19/18,468,034.80
  6. Step 6: Final answer
    x = 18,454,978.80

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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.