Home / 8,131,516.45-11,221,844.57-4,867,699.62

Finding the Fourth Proportional to 8,131,516.45, 11,221,844.57 and 4,867,699.62

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Solution

The fourth proportional to 8,131,516.45, 11,221,844.57 and 4,867,699.62 is: 6,717,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,516.45 : 11,221,844.57 = 4,867,699.62 : x
  2. Step 2: Convert to fraction form
    8,131,516.45/11,221,844.57 = 4,867,699.62/x
  3. Step 3: Cross multiply
    8,131,516.45x = 11,221,844.57 × 4,867,699.62
  4. Step 4: Simplify right side
    8,131,516.45x = 54,624,568,549,088.06
  5. Step 5: Solve for x
    x = 54,624,568,549,088.06/8,131,516.45
  6. Step 6: Final answer
    x = 6,717,636.11

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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.