Home / 7,175,378.04-9,902,099.13-3,912,166.29

Finding the Fourth Proportional to 7,175,378.04, 9,902,099.13 and 3,912,166.29

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Solution

The fourth proportional to 7,175,378.04, 9,902,099.13 and 3,912,166.29 is: 5,398,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,378.04 : 9,902,099.13 = 3,912,166.29 : x
  2. Step 2: Convert to fraction form
    7,175,378.04/9,902,099.13 = 3,912,166.29/x
  3. Step 3: Cross multiply
    7,175,378.04x = 9,902,099.13 × 3,912,166.29
  4. Step 4: Simplify right side
    7,175,378.04x = 38,738,658,416,624.33
  5. Step 5: Solve for x
    x = 38,738,658,416,624.33/7,175,378.04
  6. Step 6: Final answer
    x = 5,398,831.70

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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.