Home / 28,083,331.80-42,128,934.30-11,040,040.80

Finding the Fourth Proportional to 28,083,331.80, 42,128,934.30 and 11,040,040.80

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Solution

The fourth proportional to 28,083,331.80, 42,128,934.30 and 11,040,040.80 is: 16,561,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,331.80 : 42,128,934.30 = 11,040,040.80 : x
  2. Step 2: Convert to fraction form
    28,083,331.80/42,128,934.30 = 11,040,040.80/x
  3. Step 3: Cross multiply
    28,083,331.80x = 42,128,934.30 × 11,040,040.80
  4. Step 4: Simplify right side
    28,083,331.80x = 465,105,153,532,519.44
  5. Step 5: Solve for x
    x = 465,105,153,532,519.44/28,083,331.80
  6. Step 6: Final answer
    x = 16,561,608.75

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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.