Home / 6,382,691.16-8,808,072-3,629,378.80

Finding the Fourth Proportional to 6,382,691.16, 8,808,072 and 3,629,378.80

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Solution

The fourth proportional to 6,382,691.16, 8,808,072 and 3,629,378.80 is: 5,008,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,691.16 : 8,808,072 = 3,629,378.80 : x
  2. Step 2: Convert to fraction form
    6,382,691.16/8,808,072 = 3,629,378.80/x
  3. Step 3: Cross multiply
    6,382,691.16x = 8,808,072 × 3,629,378.80
  4. Step 4: Simplify right side
    6,382,691.16x = 31,967,829,785,673.60
  5. Step 5: Solve for x
    x = 31,967,829,785,673.60/6,382,691.16
  6. Step 6: Final answer
    x = 5,008,518.97

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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.