Home / 27,980,991.50-41,920,335.75-20,285,577.62

Finding the Fourth Proportional to 27,980,991.50, 41,920,335.75 and 20,285,577.62

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Solution

The fourth proportional to 27,980,991.50, 41,920,335.75 and 20,285,577.62 is: 30,391,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980,991.50 : 41,920,335.75 = 20,285,577.62 : x
  2. Step 2: Convert to fraction form
    27,980,991.50/41,920,335.75 = 20,285,577.62/x
  3. Step 3: Cross multiply
    27,980,991.50x = 41,920,335.75 × 20,285,577.62
  4. Step 4: Simplify right side
    27,980,991.50x = 850,378,224,713,086
  5. Step 5: Solve for x
    x = 850,378,224,713,086/27,980,991.50
  6. Step 6: Final answer
    x = 30,391,282.76

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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.