Home / 15,370,648.06-21,197,764.98-12,753,007.92

Finding the Fourth Proportional to 15,370,648.06, 21,197,764.98 and 12,753,007.92

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Solution

The fourth proportional to 15,370,648.06, 21,197,764.98 and 12,753,007.92 is: 17,587,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370,648.06 : 21,197,764.98 = 12,753,007.92 : x
  2. Step 2: Convert to fraction form
    15,370,648.06/21,197,764.98 = 12,753,007.92/x
  3. Step 3: Cross multiply
    15,370,648.06x = 21,197,764.98 × 12,753,007.92
  4. Step 4: Simplify right side
    15,370,648.06x = 270,335,264,676,238.66
  5. Step 5: Solve for x
    x = 270,335,264,676,238.66/15,370,648.06
  6. Step 6: Final answer
    x = 17,587,759.71

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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.