Home / 9,245,586.32-12,758,216.28-5,170,418

Finding the Fourth Proportional to 9,245,586.32, 12,758,216.28 and 5,170,418

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Solution

The fourth proportional to 9,245,586.32, 12,758,216.28 and 5,170,418 is: 7,134,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245,586.32 : 12,758,216.28 = 5,170,418 : x
  2. Step 2: Convert to fraction form
    9,245,586.32/12,758,216.28 = 5,170,418/x
  3. Step 3: Cross multiply
    9,245,586.32x = 12,758,216.28 × 5,170,418
  4. Step 4: Simplify right side
    9,245,586.32x = 65,965,311,102,005.04
  5. Step 5: Solve for x
    x = 65,965,311,102,005.04/9,245,586.32
  6. Step 6: Final answer
    x = 7,134,789.38

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Double scale
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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.