Home / 40,504,340.16-55,896,159.66-21,919,481.07

Finding the Fourth Proportional to 40,504,340.16, 55,896,159.66 and 21,919,481.07

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Solution

The fourth proportional to 40,504,340.16, 55,896,159.66 and 21,919,481.07 is: 30,248,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,340.16 : 55,896,159.66 = 21,919,481.07 : x
  2. Step 2: Convert to fraction form
    40,504,340.16/55,896,159.66 = 21,919,481.07/x
  3. Step 3: Cross multiply
    40,504,340.16x = 55,896,159.66 × 21,919,481.07
  4. Step 4: Simplify right side
    40,504,340.16x = 1,225,214,813,553,067.50
  5. Step 5: Solve for x
    x = 1,225,214,813,553,067.50/40,504,340.16
  6. Step 6: Final answer
    x = 30,248,976.00

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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.