Home / 12,687,969.44-17,508,928.56-6,886,627.76

Finding the Fourth Proportional to 12,687,969.44, 17,508,928.56 and 6,886,627.76

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Solution

The fourth proportional to 12,687,969.44, 17,508,928.56 and 6,886,627.76 is: 9,503,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,969.44 : 17,508,928.56 = 6,886,627.76 : x
  2. Step 2: Convert to fraction form
    12,687,969.44/17,508,928.56 = 6,886,627.76/x
  3. Step 3: Cross multiply
    12,687,969.44x = 17,508,928.56 × 6,886,627.76
  4. Step 4: Simplify right side
    12,687,969.44x = 120,577,473,469,152.81
  5. Step 5: Solve for x
    x = 120,577,473,469,152.81/12,687,969.44
  6. Step 6: Final answer
    x = 9,503,291.61

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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.