Home / 12,947,558-17,867,630.04-7,224,422

Finding the Fourth Proportional to 12,947,558, 17,867,630.04 and 7,224,422

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Solution

The fourth proportional to 12,947,558, 17,867,630.04 and 7,224,422 is: 9,969,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,558 : 17,867,630.04 = 7,224,422 : x
  2. Step 2: Convert to fraction form
    12,947,558/17,867,630.04 = 7,224,422/x
  3. Step 3: Cross multiply
    12,947,558x = 17,867,630.04 × 7,224,422
  4. Step 4: Simplify right side
    12,947,558x = 129,083,299,548,836.88
  5. Step 5: Solve for x
    x = 129,083,299,548,836.88/12,947,558
  6. Step 6: Final answer
    x = 9,969,702.36

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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.