Home / 39,350,871.86-54,304,275.63-21,948,338.78

Finding the Fourth Proportional to 39,350,871.86, 54,304,275.63 and 21,948,338.78

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Solution

The fourth proportional to 39,350,871.86, 54,304,275.63 and 21,948,338.78 is: 30,288,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350,871.86 : 54,304,275.63 = 21,948,338.78 : x
  2. Step 2: Convert to fraction form
    39,350,871.86/54,304,275.63 = 21,948,338.78/x
  3. Step 3: Cross multiply
    39,350,871.86x = 54,304,275.63 × 21,948,338.78
  4. Step 4: Simplify right side
    39,350,871.86x = 1,191,888,638,458,216.50
  5. Step 5: Solve for x
    x = 1,191,888,638,458,216.50/39,350,871.86
  6. Step 6: Final answer
    x = 30,288,747.93

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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.