Home / 8,176,799.36-11,202,255.20-7,870,332.64

Finding the Fourth Proportional to 8,176,799.36, 11,202,255.20 and 7,870,332.64

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Solution

The fourth proportional to 8,176,799.36, 11,202,255.20 and 7,870,332.64 is: 10,782,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,799.36 : 11,202,255.20 = 7,870,332.64 : x
  2. Step 2: Convert to fraction form
    8,176,799.36/11,202,255.20 = 7,870,332.64/x
  3. Step 3: Cross multiply
    8,176,799.36x = 11,202,255.20 × 7,870,332.64
  4. Step 4: Simplify right side
    8,176,799.36x = 88,165,474,742,169.72
  5. Step 5: Solve for x
    x = 88,165,474,742,169.72/8,176,799.36
  6. Step 6: Final answer
    x = 10,782,394.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.