Home / 7,166,031.75-9,888,976.19-3,902,903.82

Finding the Fourth Proportional to 7,166,031.75, 9,888,976.19 and 3,902,903.82

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Solution

The fourth proportional to 7,166,031.75, 9,888,976.19 and 3,902,903.82 is: 5,385,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,031.75 : 9,888,976.19 = 3,902,903.82 : x
  2. Step 2: Convert to fraction form
    7,166,031.75/9,888,976.19 = 3,902,903.82/x
  3. Step 3: Cross multiply
    7,166,031.75x = 9,888,976.19 × 3,902,903.82
  4. Step 4: Simplify right side
    7,166,031.75x = 38,595,722,957,597.30
  5. Step 5: Solve for x
    x = 38,595,722,957,597.30/7,166,031.75
  6. Step 6: Final answer
    x = 5,385,926.87

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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.