Home / 15,132,963.04-20,883,992.88-8,257,822.36

Finding the Fourth Proportional to 15,132,963.04, 20,883,992.88 and 8,257,822.36

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Solution

The fourth proportional to 15,132,963.04, 20,883,992.88 and 8,257,822.36 is: 11,396,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,963.04 : 20,883,992.88 = 8,257,822.36 : x
  2. Step 2: Convert to fraction form
    15,132,963.04/20,883,992.88 = 8,257,822.36/x
  3. Step 3: Cross multiply
    15,132,963.04x = 20,883,992.88 × 8,257,822.36
  4. Step 4: Simplify right side
    15,132,963.04x = 172,456,303,370,544.78
  5. Step 5: Solve for x
    x = 172,456,303,370,544.78/15,132,963.04
  6. Step 6: Final answer
    x = 11,396,069.82

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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.