Home / 6,967,888.89-9,615,686.67-3,912,168.75

Finding the Fourth Proportional to 6,967,888.89, 9,615,686.67 and 3,912,168.75

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Solution

The fourth proportional to 6,967,888.89, 9,615,686.67 and 3,912,168.75 is: 5,398,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967,888.89 : 9,615,686.67 = 3,912,168.75 : x
  2. Step 2: Convert to fraction form
    6,967,888.89/9,615,686.67 = 3,912,168.75/x
  3. Step 3: Cross multiply
    6,967,888.89x = 9,615,686.67 × 3,912,168.75
  4. Step 4: Simplify right side
    6,967,888.89x = 37,618,188,900,165.56
  5. Step 5: Solve for x
    x = 37,618,188,900,165.56/6,967,888.89
  6. Step 6: Final answer
    x = 5,398,792.88

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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.