Home / 12,748,920.92-17,593,064-6,947,584.28

Finding the Fourth Proportional to 12,748,920.92, 17,593,064 and 6,947,584.28

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Solution

The fourth proportional to 12,748,920.92, 17,593,064 and 6,947,584.28 is: 9,587,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,920.92 : 17,593,064 = 6,947,584.28 : x
  2. Step 2: Convert to fraction form
    12,748,920.92/17,593,064 = 6,947,584.28/x
  3. Step 3: Cross multiply
    12,748,920.92x = 17,593,064 × 6,947,584.28
  4. Step 4: Simplify right side
    12,748,920.92x = 122,229,294,883,433.92
  5. Step 5: Solve for x
    x = 122,229,294,883,433.92/12,748,920.92
  6. Step 6: Final answer
    x = 9,587,422.78

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1.5x scale

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.