Home / 6,921,201.10-10,381,801.65-3,326,101.15

Finding the Fourth Proportional to 6,921,201.10, 10,381,801.65 and 3,326,101.15

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Solution

The fourth proportional to 6,921,201.10, 10,381,801.65 and 3,326,101.15 is: 4,989,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,201.10 : 10,381,801.65 = 3,326,101.15 : x
  2. Step 2: Convert to fraction form
    6,921,201.10/10,381,801.65 = 3,326,101.15/x
  3. Step 3: Cross multiply
    6,921,201.10x = 10,381,801.65 × 3,326,101.15
  4. Step 4: Simplify right side
    6,921,201.10x = 34,530,922,407,136.90
  5. Step 5: Solve for x
    x = 34,530,922,407,136.90/6,921,201.10
  6. Step 6: Final answer
    x = 4,989,151.73

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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.