Home / 28,472,001.80-42,608,469.90-26,083,214.60

Finding the Fourth Proportional to 28,472,001.80, 42,608,469.90 and 26,083,214.60

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Solution

The fourth proportional to 28,472,001.80, 42,608,469.90 and 26,083,214.60 is: 39,033,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,001.80 : 42,608,469.90 = 26,083,214.60 : x
  2. Step 2: Convert to fraction form
    28,472,001.80/42,608,469.90 = 26,083,214.60/x
  3. Step 3: Cross multiply
    28,472,001.80x = 42,608,469.90 × 26,083,214.60
  4. Step 4: Simplify right side
    28,472,001.80x = 1,111,365,864,179,340.62
  5. Step 5: Solve for x
    x = 1,111,365,864,179,340.62/28,472,001.80
  6. Step 6: Final answer
    x = 39,033,639.85

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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.