Home / 10,427,229.80-15,640,844.70-8,984,004.20

Finding the Fourth Proportional to 10,427,229.80, 15,640,844.70 and 8,984,004.20

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Solution

The fourth proportional to 10,427,229.80, 15,640,844.70 and 8,984,004.20 is: 13,476,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427,229.80 : 15,640,844.70 = 8,984,004.20 : x
  2. Step 2: Convert to fraction form
    10,427,229.80/15,640,844.70 = 8,984,004.20/x
  3. Step 3: Cross multiply
    10,427,229.80x = 15,640,844.70 × 8,984,004.20
  4. Step 4: Simplify right side
    10,427,229.80x = 140,517,414,476,347.72
  5. Step 5: Solve for x
    x = 140,517,414,476,347.72/10,427,229.80
  6. Step 6: Final answer
    x = 13,476,006.30

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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.