Home / 12,067,988.70-18,101,983.05-6,966,155.10

Finding the Fourth Proportional to 12,067,988.70, 18,101,983.05 and 6,966,155.10

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Solution

The fourth proportional to 12,067,988.70, 18,101,983.05 and 6,966,155.10 is: 10,449,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,988.70 : 18,101,983.05 = 6,966,155.10 : x
  2. Step 2: Convert to fraction form
    12,067,988.70/18,101,983.05 = 6,966,155.10/x
  3. Step 3: Cross multiply
    12,067,988.70x = 18,101,983.05 × 6,966,155.10
  4. Step 4: Simplify right side
    12,067,988.70x = 126,101,221,543,871.05
  5. Step 5: Solve for x
    x = 126,101,221,543,871.05/12,067,988.70
  6. Step 6: Final answer
    x = 10,449,232.65

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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.