Home / 7,719,257.68-11,579,923.32-2,928,723.28

Finding the Fourth Proportional to 7,719,257.68, 11,579,923.32 and 2,928,723.28

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Solution

The fourth proportional to 7,719,257.68, 11,579,923.32 and 2,928,723.28 is: 4,393,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,257.68 : 11,579,923.32 = 2,928,723.28 : x
  2. Step 2: Convert to fraction form
    7,719,257.68/11,579,923.32 = 2,928,723.28/x
  3. Step 3: Cross multiply
    7,719,257.68x = 11,579,923.32 × 2,928,723.28
  4. Step 4: Simplify right side
    7,719,257.68x = 33,914,391,007,898.89
  5. Step 5: Solve for x
    x = 33,914,391,007,898.89/7,719,257.68
  6. Step 6: Final answer
    x = 4,393,478.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.