Home / 7,678,864-11,520,190.49-2,287,493.47

Finding the Fourth Proportional to 7,678,864, 11,520,190.49 and 2,287,493.47

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Solution

The fourth proportional to 7,678,864, 11,520,190.49 and 2,287,493.47 is: 3,431,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,864 : 11,520,190.49 = 2,287,493.47 : x
  2. Step 2: Convert to fraction form
    7,678,864/11,520,190.49 = 2,287,493.47/x
  3. Step 3: Cross multiply
    7,678,864x = 11,520,190.49 × 2,287,493.47
  4. Step 4: Simplify right side
    7,678,864x = 26,352,360,519,031.10
  5. Step 5: Solve for x
    x = 26,352,360,519,031.10/7,678,864
  6. Step 6: Final answer
    x = 3,431,804.56

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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.