Home / 9,306,796.79-12,844,155.23-5,177,605.79

Finding the Fourth Proportional to 9,306,796.79, 12,844,155.23 and 5,177,605.79

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Solution

The fourth proportional to 9,306,796.79, 12,844,155.23 and 5,177,605.79 is: 7,145,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,796.79 : 12,844,155.23 = 5,177,605.79 : x
  2. Step 2: Convert to fraction form
    9,306,796.79/12,844,155.23 = 5,177,605.79/x
  3. Step 3: Cross multiply
    9,306,796.79x = 12,844,155.23 × 5,177,605.79
  4. Step 4: Simplify right side
    9,306,796.79x = 66,501,972,486,506.78
  5. Step 5: Solve for x
    x = 66,501,972,486,506.78/9,306,796.79
  6. Step 6: Final answer
    x = 7,145,527.51

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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.