Home / 6,979,643.28-9,631,922.76-3,923,882.64

Finding the Fourth Proportional to 6,979,643.28, 9,631,922.76 and 3,923,882.64

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Solution

The fourth proportional to 6,979,643.28, 9,631,922.76 and 3,923,882.64 is: 5,414,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,643.28 : 9,631,922.76 = 3,923,882.64 : x
  2. Step 2: Convert to fraction form
    6,979,643.28/9,631,922.76 = 3,923,882.64/x
  3. Step 3: Cross multiply
    6,979,643.28x = 9,631,922.76 × 3,923,882.64
  4. Step 4: Simplify right side
    6,979,643.28x = 37,794,534,507,784.89
  5. Step 5: Solve for x
    x = 37,794,534,507,784.89/6,979,643.28
  6. Step 6: Final answer
    x = 5,414,966.49

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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.