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Finding the Fourth Proportional to 18,146,804.40, 27,220,206.60 and 8,049,425.40

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Solution

The fourth proportional to 18,146,804.40, 27,220,206.60 and 8,049,425.40 is: 12,074,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,804.40 : 27,220,206.60 = 8,049,425.40 : x
  2. Step 2: Convert to fraction form
    18,146,804.40/27,220,206.60 = 8,049,425.40/x
  3. Step 3: Cross multiply
    18,146,804.40x = 27,220,206.60 × 8,049,425.40
  4. Step 4: Simplify right side
    18,146,804.40x = 219,107,022,399,287.66
  5. Step 5: Solve for x
    x = 219,107,022,399,287.66/18,146,804.40
  6. Step 6: Final answer
    x = 12,074,138.10

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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.