Home / 10,978,680.40-15,151,060.72-6,083,891.44

Finding the Fourth Proportional to 10,978,680.40, 15,151,060.72 and 6,083,891.44

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Solution

The fourth proportional to 10,978,680.40, 15,151,060.72 and 6,083,891.44 is: 8,396,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,680.40 : 15,151,060.72 = 6,083,891.44 : x
  2. Step 2: Convert to fraction form
    10,978,680.40/15,151,060.72 = 6,083,891.44/x
  3. Step 3: Cross multiply
    10,978,680.40x = 15,151,060.72 × 6,083,891.44
  4. Step 4: Simplify right side
    10,978,680.40x = 92,177,408,621,328.25
  5. Step 5: Solve for x
    x = 92,177,408,621,328.25/10,978,680.40
  6. Step 6: Final answer
    x = 8,396,037.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.