Home / 7,876,544.70-11,814,817.05-1,892,912.70

Finding the Fourth Proportional to 7,876,544.70, 11,814,817.05 and 1,892,912.70

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Solution

The fourth proportional to 7,876,544.70, 11,814,817.05 and 1,892,912.70 is: 2,839,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,544.70 : 11,814,817.05 = 1,892,912.70 : x
  2. Step 2: Convert to fraction form
    7,876,544.70/11,814,817.05 = 1,892,912.70/x
  3. Step 3: Cross multiply
    7,876,544.70x = 11,814,817.05 × 1,892,912.70
  4. Step 4: Simplify right side
    7,876,544.70x = 22,364,417,242,121.54
  5. Step 5: Solve for x
    x = 22,364,417,242,121.54/7,876,544.70
  6. Step 6: Final answer
    x = 2,839,369.05

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Double scale
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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.