Home / 18,439,228.80-27,658,843.20-6,471,964.80

Finding the Fourth Proportional to 18,439,228.80, 27,658,843.20 and 6,471,964.80

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Solution

The fourth proportional to 18,439,228.80, 27,658,843.20 and 6,471,964.80 is: 9,707,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,228.80 : 27,658,843.20 = 6,471,964.80 : x
  2. Step 2: Convert to fraction form
    18,439,228.80/27,658,843.20 = 6,471,964.80/x
  3. Step 3: Cross multiply
    18,439,228.80x = 27,658,843.20 × 6,471,964.80
  4. Step 4: Simplify right side
    18,439,228.80x = 179,007,059,599,119.34
  5. Step 5: Solve for x
    x = 179,007,059,599,119.34/18,439,228.80
  6. Step 6: Final answer
    x = 9,707,947.20

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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.