Home / 8,317,774.80-12,476,662.20-7,100,053.20

Finding the Fourth Proportional to 8,317,774.80, 12,476,662.20 and 7,100,053.20

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Solution

The fourth proportional to 8,317,774.80, 12,476,662.20 and 7,100,053.20 is: 10,650,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,774.80 : 12,476,662.20 = 7,100,053.20 : x
  2. Step 2: Convert to fraction form
    8,317,774.80/12,476,662.20 = 7,100,053.20/x
  3. Step 3: Cross multiply
    8,317,774.80x = 12,476,662.20 × 7,100,053.20
  4. Step 4: Simplify right side
    8,317,774.80x = 88,584,965,378,429.03
  5. Step 5: Solve for x
    x = 88,584,965,378,429.03/8,317,774.80
  6. Step 6: Final answer
    x = 10,650,079.80

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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.