Home / 8,071,390.73-11,132,220.72-5,171,051.48

Finding the Fourth Proportional to 8,071,390.73, 11,132,220.72 and 5,171,051.48

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Solution

The fourth proportional to 8,071,390.73, 11,132,220.72 and 5,171,051.48 is: 7,132,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,390.73 : 11,132,220.72 = 5,171,051.48 : x
  2. Step 2: Convert to fraction form
    8,071,390.73/11,132,220.72 = 5,171,051.48/x
  3. Step 3: Cross multiply
    8,071,390.73x = 11,132,220.72 × 5,171,051.48
  4. Step 4: Simplify right side
    8,071,390.73x = 57,565,286,393,573.01
  5. Step 5: Solve for x
    x = 57,565,286,393,573.01/8,071,390.73
  6. Step 6: Final answer
    x = 7,132,015.82

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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.