Home / 12,179,884.33-18,258,382.81-4,087,184.46

Finding the Fourth Proportional to 12,179,884.33, 18,258,382.81 and 4,087,184.46

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Solution

The fourth proportional to 12,179,884.33, 18,258,382.81 and 4,087,184.46 is: 6,126,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,884.33 : 18,258,382.81 = 4,087,184.46 : x
  2. Step 2: Convert to fraction form
    12,179,884.33/18,258,382.81 = 4,087,184.46/x
  3. Step 3: Cross multiply
    12,179,884.33x = 18,258,382.81 × 4,087,184.46
  4. Step 4: Simplify right side
    12,179,884.33x = 74,625,378,485,763.12
  5. Step 5: Solve for x
    x = 74,625,378,485,763.12/12,179,884.33
  6. Step 6: Final answer
    x = 6,126,936.55

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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.