Home / 16,458,498-22,712,961.72-9,489,037.68

Finding the Fourth Proportional to 16,458,498, 22,712,961.72 and 9,489,037.68

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Solution

The fourth proportional to 16,458,498, 22,712,961.72 and 9,489,037.68 is: 13,095,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458,498 : 22,712,961.72 = 9,489,037.68 : x
  2. Step 2: Convert to fraction form
    16,458,498/22,712,961.72 = 9,489,037.68/x
  3. Step 3: Cross multiply
    16,458,498x = 22,712,961.72 × 9,489,037.68
  4. Step 4: Simplify right side
    16,458,498x = 215,524,149,585,477.59
  5. Step 5: Solve for x
    x = 215,524,149,585,477.59/16,458,498
  6. Step 6: Final answer
    x = 13,095,007.19

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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.