Home / 7,715,261.31-11,550,189.56-5,150,113.76

Finding the Fourth Proportional to 7,715,261.31, 11,550,189.56 and 5,150,113.76

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Solution

The fourth proportional to 7,715,261.31, 11,550,189.56 and 5,150,113.76 is: 7,710,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,261.31 : 11,550,189.56 = 5,150,113.76 : x
  2. Step 2: Convert to fraction form
    7,715,261.31/11,550,189.56 = 5,150,113.76/x
  3. Step 3: Cross multiply
    7,715,261.31x = 11,550,189.56 × 5,150,113.76
  4. Step 4: Simplify right side
    7,715,261.31x = 59,484,790,100,062.83
  5. Step 5: Solve for x
    x = 59,484,790,100,062.83/7,715,261.31
  6. Step 6: Final answer
    x = 7,710,016.25

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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.