Home / 12,843,379.86-17,726,439.08-7,619,287.73

Finding the Fourth Proportional to 12,843,379.86, 17,726,439.08 and 7,619,287.73

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Solution

The fourth proportional to 12,843,379.86, 17,726,439.08 and 7,619,287.73 is: 10,516,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,379.86 : 17,726,439.08 = 7,619,287.73 : x
  2. Step 2: Convert to fraction form
    12,843,379.86/17,726,439.08 = 7,619,287.73/x
  3. Step 3: Cross multiply
    12,843,379.86x = 17,726,439.08 × 7,619,287.73
  4. Step 4: Simplify right side
    12,843,379.86x = 135,062,839,778,836.48
  5. Step 5: Solve for x
    x = 135,062,839,778,836.48/12,843,379.86
  6. Step 6: Final answer
    x = 10,516,144.60

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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.