Home / 40,284,540.42-55,592,673.78-21,949,825.92

Finding the Fourth Proportional to 40,284,540.42, 55,592,673.78 and 21,949,825.92

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Solution

The fourth proportional to 40,284,540.42, 55,592,673.78 and 21,949,825.92 is: 30,290,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,540.42 : 55,592,673.78 = 21,949,825.92 : x
  2. Step 2: Convert to fraction form
    40,284,540.42/55,592,673.78 = 21,949,825.92/x
  3. Step 3: Cross multiply
    40,284,540.42x = 55,592,673.78 × 21,949,825.92
  4. Step 4: Simplify right side
    40,284,540.42x = 1,220,249,511,898,348.50
  5. Step 5: Solve for x
    x = 1,220,249,511,898,348.50/40,284,540.42
  6. Step 6: Final answer
    x = 30,290,764.13

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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.