Home / 15,234,449.76-21,023,540.82-8,708,220.54

Finding the Fourth Proportional to 15,234,449.76, 21,023,540.82 and 8,708,220.54

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Solution

The fourth proportional to 15,234,449.76, 21,023,540.82 and 8,708,220.54 is: 12,017,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,449.76 : 21,023,540.82 = 8,708,220.54 : x
  2. Step 2: Convert to fraction form
    15,234,449.76/21,023,540.82 = 8,708,220.54/x
  3. Step 3: Cross multiply
    15,234,449.76x = 21,023,540.82 × 8,708,220.54
  4. Step 4: Simplify right side
    15,234,449.76x = 183,077,629,992,252.44
  5. Step 5: Solve for x
    x = 183,077,629,992,252.44/15,234,449.76
  6. Step 6: Final answer
    x = 12,017,344.43

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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.