Home / 7,717,981.91-11,578,231.74-3,167,809.49

Finding the Fourth Proportional to 7,717,981.91, 11,578,231.74 and 3,167,809.49

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Solution

The fourth proportional to 7,717,981.91, 11,578,231.74 and 3,167,809.49 is: 4,752,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717,981.91 : 11,578,231.74 = 3,167,809.49 : x
  2. Step 2: Convert to fraction form
    7,717,981.91/11,578,231.74 = 3,167,809.49/x
  3. Step 3: Cross multiply
    7,717,981.91x = 11,578,231.74 × 3,167,809.49
  4. Step 4: Simplify right side
    7,717,981.91x = 36,677,632,325,500.05
  5. Step 5: Solve for x
    x = 36,677,632,325,500.05/7,717,981.91
  6. Step 6: Final answer
    x = 4,752,230.93

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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.