Home / 49,816,380.60-74,721,913.68-13,424,186.64

Finding the Fourth Proportional to 49,816,380.60, 74,721,913.68 and 13,424,186.64

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Solution

The fourth proportional to 49,816,380.60, 74,721,913.68 and 13,424,186.64 is: 20,135,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816,380.60 : 74,721,913.68 = 13,424,186.64 : x
  2. Step 2: Convert to fraction form
    49,816,380.60/74,721,913.68 = 13,424,186.64/x
  3. Step 3: Cross multiply
    49,816,380.60x = 74,721,913.68 × 13,424,186.64
  4. Step 4: Simplify right side
    49,816,380.60x = 1,003,080,915,338,289.38
  5. Step 5: Solve for x
    x = 1,003,080,915,338,289.38/49,816,380.60
  6. Step 6: Final answer
    x = 20,135,563.91

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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.