Home / 6,646,857.80-9,970,286.70-5,465,877.80

Finding the Fourth Proportional to 6,646,857.80, 9,970,286.70 and 5,465,877.80

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Solution

The fourth proportional to 6,646,857.80, 9,970,286.70 and 5,465,877.80 is: 8,198,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,857.80 : 9,970,286.70 = 5,465,877.80 : x
  2. Step 2: Convert to fraction form
    6,646,857.80/9,970,286.70 = 5,465,877.80/x
  3. Step 3: Cross multiply
    6,646,857.80x = 9,970,286.70 × 5,465,877.80
  4. Step 4: Simplify right side
    6,646,857.80x = 54,496,368,733,165.26
  5. Step 5: Solve for x
    x = 54,496,368,733,165.26/6,646,857.80
  6. Step 6: Final answer
    x = 8,198,816.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.