Home / 7,175,377.79-9,902,098.79-3,912,166.04

Finding the Fourth Proportional to 7,175,377.79, 9,902,098.79 and 3,912,166.04

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Solution

The fourth proportional to 7,175,377.79, 9,902,098.79 and 3,912,166.04 is: 5,398,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,377.79 : 9,902,098.79 = 3,912,166.04 : x
  2. Step 2: Convert to fraction form
    7,175,377.79/9,902,098.79 = 3,912,166.04/x
  3. Step 3: Cross multiply
    7,175,377.79x = 9,902,098.79 × 3,912,166.04
  4. Step 4: Simplify right side
    7,175,377.79x = 38,738,654,591,402.27
  5. Step 5: Solve for x
    x = 38,738,654,591,402.27/7,175,377.79
  6. Step 6: Final answer
    x = 5,398,831.35

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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.