Home / 7,988,115.40-11,022,309.78-4,550,422.60

Finding the Fourth Proportional to 7,988,115.40, 11,022,309.78 and 4,550,422.60

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Solution

The fourth proportional to 7,988,115.40, 11,022,309.78 and 4,550,422.60 is: 6,278,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,115.40 : 11,022,309.78 = 4,550,422.60 : x
  2. Step 2: Convert to fraction form
    7,988,115.40/11,022,309.78 = 4,550,422.60/x
  3. Step 3: Cross multiply
    7,988,115.40x = 11,022,309.78 × 4,550,422.60
  4. Step 4: Simplify right side
    7,988,115.40x = 50,156,167,527,113.02
  5. Step 5: Solve for x
    x = 50,156,167,527,113.02/7,988,115.40
  6. Step 6: Final answer
    x = 6,278,848.64

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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.