Home / 10,257,906.80-15,386,860.20-9,785,514.80

Finding the Fourth Proportional to 10,257,906.80, 15,386,860.20 and 9,785,514.80

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Solution

The fourth proportional to 10,257,906.80, 15,386,860.20 and 9,785,514.80 is: 14,678,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,906.80 : 15,386,860.20 = 9,785,514.80 : x
  2. Step 2: Convert to fraction form
    10,257,906.80/15,386,860.20 = 9,785,514.80/x
  3. Step 3: Cross multiply
    10,257,906.80x = 15,386,860.20 × 9,785,514.80
  4. Step 4: Simplify right side
    10,257,906.80x = 150,568,348,212,630.97
  5. Step 5: Solve for x
    x = 150,568,348,212,630.97/10,257,906.80
  6. Step 6: Final answer
    x = 14,678,272.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.