Home / 6,645,456.40-9,968,184.60-3,622,147.60

Finding the Fourth Proportional to 6,645,456.40, 9,968,184.60 and 3,622,147.60

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Solution

The fourth proportional to 6,645,456.40, 9,968,184.60 and 3,622,147.60 is: 5,433,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,456.40 : 9,968,184.60 = 3,622,147.60 : x
  2. Step 2: Convert to fraction form
    6,645,456.40/9,968,184.60 = 3,622,147.60/x
  3. Step 3: Cross multiply
    6,645,456.40x = 9,968,184.60 × 3,622,147.60
  4. Step 4: Simplify right side
    6,645,456.40x = 36,106,235,925,246.96
  5. Step 5: Solve for x
    x = 36,106,235,925,246.96/6,645,456.40
  6. Step 6: Final answer
    x = 5,433,221.40

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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.