Home / 8,071,398.80-11,132,231.85-5,171,059.54

Finding the Fourth Proportional to 8,071,398.80, 11,132,231.85 and 5,171,059.54

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Solution

The fourth proportional to 8,071,398.80, 11,132,231.85 and 5,171,059.54 is: 7,132,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,398.80 : 11,132,231.85 = 5,171,059.54 : x
  2. Step 2: Convert to fraction form
    8,071,398.80/11,132,231.85 = 5,171,059.54/x
  3. Step 3: Cross multiply
    8,071,398.80x = 11,132,231.85 × 5,171,059.54
  4. Step 4: Simplify right side
    8,071,398.80x = 57,565,433,709,434.34
  5. Step 5: Solve for x
    x = 57,565,433,709,434.34/8,071,398.80
  6. Step 6: Final answer
    x = 7,132,026.94

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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.