Home / 12,479,403.56-17,221,690.86-7,322,851.04

Finding the Fourth Proportional to 12,479,403.56, 17,221,690.86 and 7,322,851.04

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Solution

The fourth proportional to 12,479,403.56, 17,221,690.86 and 7,322,851.04 is: 10,105,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,403.56 : 17,221,690.86 = 7,322,851.04 : x
  2. Step 2: Convert to fraction form
    12,479,403.56/17,221,690.86 = 7,322,851.04/x
  3. Step 3: Cross multiply
    12,479,403.56x = 17,221,690.86 × 7,322,851.04
  4. Step 4: Simplify right side
    12,479,403.56x = 126,111,876,824,709.48
  5. Step 5: Solve for x
    x = 126,111,876,824,709.48/12,479,403.56
  6. Step 6: Final answer
    x = 10,105,601.30

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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.