Home / 8,172,178.92-11,275,896.06-4,734,214.92

Finding the Fourth Proportional to 8,172,178.92, 11,275,896.06 and 4,734,214.92

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Solution

The fourth proportional to 8,172,178.92, 11,275,896.06 and 4,734,214.92 is: 6,532,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,178.92 : 11,275,896.06 = 4,734,214.92 : x
  2. Step 2: Convert to fraction form
    8,172,178.92/11,275,896.06 = 4,734,214.92/x
  3. Step 3: Cross multiply
    8,172,178.92x = 11,275,896.06 × 4,734,214.92
  4. Step 4: Simplify right side
    8,172,178.92x = 53,382,515,363,621.22
  5. Step 5: Solve for x
    x = 53,382,515,363,621.22/8,172,178.92
  6. Step 6: Final answer
    x = 6,532,225.48

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Double scale
Find fourth proportional to 8,172,179.92, 11,275,897.44 and 4,734,215.92
Similar ratio
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1.5x scale

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.