Home / 20,895,481.25-31,262,127.46-18,317,303.50

Finding the Fourth Proportional to 20,895,481.25, 31,262,127.46 and 18,317,303.50

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Solution

The fourth proportional to 20,895,481.25, 31,262,127.46 and 18,317,303.50 is: 27,404,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895,481.25 : 31,262,127.46 = 18,317,303.50 : x
  2. Step 2: Convert to fraction form
    20,895,481.25/31,262,127.46 = 18,317,303.50/x
  3. Step 3: Cross multiply
    20,895,481.25x = 31,262,127.46 × 18,317,303.50
  4. Step 4: Simplify right side
    20,895,481.25x = 572,637,876,662,348.75
  5. Step 5: Solve for x
    x = 572,637,876,662,348.75/20,895,481.25
  6. Step 6: Final answer
    x = 27,404,866.62

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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.