Home / 8,071,397.80-11,132,230.47-5,171,058.54

Finding the Fourth Proportional to 8,071,397.80, 11,132,230.47 and 5,171,058.54

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Solution

The fourth proportional to 8,071,397.80, 11,132,230.47 and 5,171,058.54 is: 7,132,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,397.80 : 11,132,230.47 = 5,171,058.54 : x
  2. Step 2: Convert to fraction form
    8,071,397.80/11,132,230.47 = 5,171,058.54/x
  3. Step 3: Cross multiply
    8,071,397.80x = 11,132,230.47 × 5,171,058.54
  4. Step 4: Simplify right side
    8,071,397.80x = 57,565,415,441,141.72
  5. Step 5: Solve for x
    x = 57,565,415,441,141.72/8,071,397.80
  6. Step 6: Final answer
    x = 7,132,025.56

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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.