Home / 40,504,012.06-55,895,677.78-21,919,147.55

Finding the Fourth Proportional to 40,504,012.06, 55,895,677.78 and 21,919,147.55

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Solution

The fourth proportional to 40,504,012.06, 55,895,677.78 and 21,919,147.55 is: 30,248,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,012.06 : 55,895,677.78 = 21,919,147.55 : x
  2. Step 2: Convert to fraction form
    40,504,012.06/55,895,677.78 = 21,919,147.55/x
  3. Step 3: Cross multiply
    40,504,012.06x = 55,895,677.78 × 21,919,147.55
  4. Step 4: Simplify right side
    40,504,012.06x = 1,225,185,608,752,017.75
  5. Step 5: Solve for x
    x = 1,225,185,608,752,017.75/40,504,012.06
  6. Step 6: Final answer
    x = 30,248,500.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.