Home / 28,361,046.70-42,541,570.05-8,168,329.90

Finding the Fourth Proportional to 28,361,046.70, 42,541,570.05 and 8,168,329.90

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Solution

The fourth proportional to 28,361,046.70, 42,541,570.05 and 8,168,329.90 is: 12,252,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,046.70 : 42,541,570.05 = 8,168,329.90 : x
  2. Step 2: Convert to fraction form
    28,361,046.70/42,541,570.05 = 8,168,329.90/x
  3. Step 3: Cross multiply
    28,361,046.70x = 42,541,570.05 × 8,168,329.90
  4. Step 4: Simplify right side
    28,361,046.70x = 347,493,578,632,359.50
  5. Step 5: Solve for x
    x = 347,493,578,632,359.50/28,361,046.70
  6. Step 6: Final answer
    x = 12,252,494.85

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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.