Home / 20,744,449.20-31,116,673.80-19,681,567.20

Finding the Fourth Proportional to 20,744,449.20, 31,116,673.80 and 19,681,567.20

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Solution

The fourth proportional to 20,744,449.20, 31,116,673.80 and 19,681,567.20 is: 29,522,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,449.20 : 31,116,673.80 = 19,681,567.20 : x
  2. Step 2: Convert to fraction form
    20,744,449.20/31,116,673.80 = 19,681,567.20/x
  3. Step 3: Cross multiply
    20,744,449.20x = 31,116,673.80 × 19,681,567.20
  4. Step 4: Simplify right side
    20,744,449.20x = 612,424,906,435,179.38
  5. Step 5: Solve for x
    x = 612,424,906,435,179.38/20,744,449.20
  6. Step 6: Final answer
    x = 29,522,350.80

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1.5x scale

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.