Home / 8,729,821.78-13,086,590.37-2,968,618.46

Finding the Fourth Proportional to 8,729,821.78, 13,086,590.37 and 2,968,618.46

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Solution

The fourth proportional to 8,729,821.78, 13,086,590.37 and 2,968,618.46 is: 4,450,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,821.78 : 13,086,590.37 = 2,968,618.46 : x
  2. Step 2: Convert to fraction form
    8,729,821.78/13,086,590.37 = 2,968,618.46/x
  3. Step 3: Cross multiply
    8,729,821.78x = 13,086,590.37 × 2,968,618.46
  4. Step 4: Simplify right side
    8,729,821.78x = 38,849,093,703,280.66
  5. Step 5: Solve for x
    x = 38,849,093,703,280.66/8,729,821.78
  6. Step 6: Final answer
    x = 4,450,158.86

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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.