Home / 49,691,721.60-74,537,582.40-13,305,727.80

Finding the Fourth Proportional to 49,691,721.60, 74,537,582.40 and 13,305,727.80

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Solution

The fourth proportional to 49,691,721.60, 74,537,582.40 and 13,305,727.80 is: 19,958,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691,721.60 : 74,537,582.40 = 13,305,727.80 : x
  2. Step 2: Convert to fraction form
    49,691,721.60/74,537,582.40 = 13,305,727.80/x
  3. Step 3: Cross multiply
    49,691,721.60x = 74,537,582.40 × 13,305,727.80
  4. Step 4: Simplify right side
    49,691,721.60x = 991,776,782,284,470.88
  5. Step 5: Solve for x
    x = 991,776,782,284,470.88/49,691,721.60
  6. Step 6: Final answer
    x = 19,958,591.70

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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.