Home / 28,086,007.20-42,129,010.80-23,976,196.80

Finding the Fourth Proportional to 28,086,007.20, 42,129,010.80 and 23,976,196.80

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Solution

The fourth proportional to 28,086,007.20, 42,129,010.80 and 23,976,196.80 is: 35,964,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086,007.20 : 42,129,010.80 = 23,976,196.80 : x
  2. Step 2: Convert to fraction form
    28,086,007.20/42,129,010.80 = 23,976,196.80/x
  3. Step 3: Cross multiply
    28,086,007.20x = 42,129,010.80 × 23,976,196.80
  4. Step 4: Simplify right side
    28,086,007.20x = 1,010,093,453,930,125.38
  5. Step 5: Solve for x
    x = 1,010,093,453,930,125.38/28,086,007.20
  6. Step 6: Final answer
    x = 35,964,295.20

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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.