Home / 13,310,026.66-18,367,836.78-7,198,455.16

Finding the Fourth Proportional to 13,310,026.66, 18,367,836.78 and 7,198,455.16

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Solution

The fourth proportional to 13,310,026.66, 18,367,836.78 and 7,198,455.16 is: 9,933,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,026.66 : 18,367,836.78 = 7,198,455.16 : x
  2. Step 2: Convert to fraction form
    13,310,026.66/18,367,836.78 = 7,198,455.16/x
  3. Step 3: Cross multiply
    13,310,026.66x = 18,367,836.78 × 7,198,455.16
  4. Step 4: Simplify right side
    13,310,026.66x = 132,220,049,447,028.80
  5. Step 5: Solve for x
    x = 132,220,049,447,028.80/13,310,026.66
  6. Step 6: Final answer
    x = 9,933,868.11

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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.