Home / 28,714,132.02-39,625,974.54-15,661,391.04

Finding the Fourth Proportional to 28,714,132.02, 39,625,974.54 and 15,661,391.04

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Solution

The fourth proportional to 28,714,132.02, 39,625,974.54 and 15,661,391.04 is: 21,612,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,132.02 : 39,625,974.54 = 15,661,391.04 : x
  2. Step 2: Convert to fraction form
    28,714,132.02/39,625,974.54 = 15,661,391.04/x
  3. Step 3: Cross multiply
    28,714,132.02x = 39,625,974.54 × 15,661,391.04
  4. Step 4: Simplify right side
    28,714,132.02x = 620,597,882,612,024.12
  5. Step 5: Solve for x
    x = 620,597,882,612,024.12/28,714,132.02
  6. Step 6: Final answer
    x = 21,612,977.27

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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.