Home / 8,257,636.86-11,399,680.78-5,161,882.32

Finding the Fourth Proportional to 8,257,636.86, 11,399,680.78 and 5,161,882.32

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Solution

The fourth proportional to 8,257,636.86, 11,399,680.78 and 5,161,882.32 is: 7,125,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,636.86 : 11,399,680.78 = 5,161,882.32 : x
  2. Step 2: Convert to fraction form
    8,257,636.86/11,399,680.78 = 5,161,882.32/x
  3. Step 3: Cross multiply
    8,257,636.86x = 11,399,680.78 × 5,161,882.32
  4. Step 4: Simplify right side
    8,257,636.86x = 58,843,810,646,116.41
  5. Step 5: Solve for x
    x = 58,843,810,646,116.41/8,257,636.86
  6. Step 6: Final answer
    x = 7,125,986.73

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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.