Home / 39,187,278.40-58,766,920.80-13,629,121.60

Finding the Fourth Proportional to 39,187,278.40, 58,766,920.80 and 13,629,121.60

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Solution

The fourth proportional to 39,187,278.40, 58,766,920.80 and 13,629,121.60 is: 20,438,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187,278.40 : 58,766,920.80 = 13,629,121.60 : x
  2. Step 2: Convert to fraction form
    39,187,278.40/58,766,920.80 = 13,629,121.60/x
  3. Step 3: Cross multiply
    39,187,278.40x = 58,766,920.80 × 13,629,121.60
  4. Step 4: Simplify right side
    39,187,278.40x = 800,941,509,640,769.25
  5. Step 5: Solve for x
    x = 800,941,509,640,769.25/39,187,278.40
  6. Step 6: Final answer
    x = 20,438,814.39

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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.