Home / 23,132,121.80-31,922,512.98-12,819,016.04

Finding the Fourth Proportional to 23,132,121.80, 31,922,512.98 and 12,819,016.04

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Solution

The fourth proportional to 23,132,121.80, 31,922,512.98 and 12,819,016.04 is: 17,690,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132,121.80 : 31,922,512.98 = 12,819,016.04 : x
  2. Step 2: Convert to fraction form
    23,132,121.80/31,922,512.98 = 12,819,016.04/x
  3. Step 3: Cross multiply
    23,132,121.80x = 31,922,512.98 × 12,819,016.04
  4. Step 4: Simplify right side
    23,132,121.80x = 409,215,205,927,728.19
  5. Step 5: Solve for x
    x = 409,215,205,927,728.19/23,132,121.80
  6. Step 6: Final answer
    x = 17,690,344.60

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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.