Home / 39,350,873.61-54,304,278.04-21,948,340.52

Finding the Fourth Proportional to 39,350,873.61, 54,304,278.04 and 21,948,340.52

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Solution

The fourth proportional to 39,350,873.61, 54,304,278.04 and 21,948,340.52 is: 30,288,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350,873.61 : 54,304,278.04 = 21,948,340.52 : x
  2. Step 2: Convert to fraction form
    39,350,873.61/54,304,278.04 = 21,948,340.52/x
  3. Step 3: Cross multiply
    39,350,873.61x = 54,304,278.04 × 21,948,340.52
  4. Step 4: Simplify right side
    39,350,873.61x = 1,191,888,786,114,678.25
  5. Step 5: Solve for x
    x = 1,191,888,786,114,678.25/39,350,873.61
  6. Step 6: Final answer
    x = 30,288,750.33

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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.