Home / 6,645,445.60-9,968,168.40-3,622,136.80

Finding the Fourth Proportional to 6,645,445.60, 9,968,168.40 and 3,622,136.80

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Solution

The fourth proportional to 6,645,445.60, 9,968,168.40 and 3,622,136.80 is: 5,433,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,445.60 : 9,968,168.40 = 3,622,136.80 : x
  2. Step 2: Convert to fraction form
    6,645,445.60/9,968,168.40 = 3,622,136.80/x
  3. Step 3: Cross multiply
    6,645,445.60x = 9,968,168.40 × 3,622,136.80
  4. Step 4: Simplify right side
    6,645,445.60x = 36,106,069,590,237.12
  5. Step 5: Solve for x
    x = 36,106,069,590,237.12/6,645,445.60
  6. Step 6: Final answer
    x = 5,433,205.20

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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.