Home / 12,005,382.40-17,995,826.40-5,930,771.20

Finding the Fourth Proportional to 12,005,382.40, 17,995,826.40 and 5,930,771.20

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Solution

The fourth proportional to 12,005,382.40, 17,995,826.40 and 5,930,771.20 is: 8,890,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,382.40 : 17,995,826.40 = 5,930,771.20 : x
  2. Step 2: Convert to fraction form
    12,005,382.40/17,995,826.40 = 5,930,771.20/x
  3. Step 3: Cross multiply
    12,005,382.40x = 17,995,826.40 × 5,930,771.20
  4. Step 4: Simplify right side
    12,005,382.40x = 106,729,128,933,319.67
  5. Step 5: Solve for x
    x = 106,729,128,933,319.67/12,005,382.40
  6. Step 6: Final answer
    x = 8,890,106.57

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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.