Home / 8,176,803.36-11,202,260.68-7,870,336.64

Finding the Fourth Proportional to 8,176,803.36, 11,202,260.68 and 7,870,336.64

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Solution

The fourth proportional to 8,176,803.36, 11,202,260.68 and 7,870,336.64 is: 10,782,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,803.36 : 11,202,260.68 = 7,870,336.64 : x
  2. Step 2: Convert to fraction form
    8,176,803.36/11,202,260.68 = 7,870,336.64/x
  3. Step 3: Cross multiply
    8,176,803.36x = 11,202,260.68 × 7,870,336.64
  4. Step 4: Simplify right side
    8,176,803.36x = 88,165,562,680,635.31
  5. Step 5: Solve for x
    x = 88,165,562,680,635.31/8,176,803.36
  6. Step 6: Final answer
    x = 10,782,399.77

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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.