Home / 28,724,590.80-43,086,886.20-27,927,429.30

Finding the Fourth Proportional to 28,724,590.80, 43,086,886.20 and 27,927,429.30

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Solution

The fourth proportional to 28,724,590.80, 43,086,886.20 and 27,927,429.30 is: 41,891,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,590.80 : 43,086,886.20 = 27,927,429.30 : x
  2. Step 2: Convert to fraction form
    28,724,590.80/43,086,886.20 = 27,927,429.30/x
  3. Step 3: Cross multiply
    28,724,590.80x = 43,086,886.20 × 27,927,429.30
  4. Step 4: Simplify right side
    28,724,590.80x = 1,203,305,968,107,645.75
  5. Step 5: Solve for x
    x = 1,203,305,968,107,645.75/28,724,590.80
  6. Step 6: Final answer
    x = 41,891,143.95

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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.