Home / 7,175,376.54-9,902,097.06-3,912,164.79

Finding the Fourth Proportional to 7,175,376.54, 9,902,097.06 and 3,912,164.79

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Solution

The fourth proportional to 7,175,376.54, 9,902,097.06 and 3,912,164.79 is: 5,398,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,376.54 : 9,902,097.06 = 3,912,164.79 : x
  2. Step 2: Convert to fraction form
    7,175,376.54/9,902,097.06 = 3,912,164.79/x
  3. Step 3: Cross multiply
    7,175,376.54x = 9,902,097.06 × 3,912,164.79
  4. Step 4: Simplify right side
    7,175,376.54x = 38,738,635,465,294.52
  5. Step 5: Solve for x
    x = 38,738,635,465,294.52/7,175,376.54
  6. Step 6: Final answer
    x = 5,398,829.63

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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.