Home / 7,951,280.79-11,925,501.39-2,115,500.04

Finding the Fourth Proportional to 7,951,280.79, 11,925,501.39 and 2,115,500.04

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Solution

The fourth proportional to 7,951,280.79, 11,925,501.39 and 2,115,500.04 is: 3,172,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,280.79 : 11,925,501.39 = 2,115,500.04 : x
  2. Step 2: Convert to fraction form
    7,951,280.79/11,925,501.39 = 2,115,500.04/x
  3. Step 3: Cross multiply
    7,951,280.79x = 11,925,501.39 × 2,115,500.04
  4. Step 4: Simplify right side
    7,951,280.79x = 25,228,398,667,565.06
  5. Step 5: Solve for x
    x = 25,228,398,667,565.06/7,951,280.79
  6. Step 6: Final answer
    x = 3,172,872.31

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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.