Home / 6,642,757.40-9,964,136.10-2,155,033.40

Finding the Fourth Proportional to 6,642,757.40, 9,964,136.10 and 2,155,033.40

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Solution

The fourth proportional to 6,642,757.40, 9,964,136.10 and 2,155,033.40 is: 3,232,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,757.40 : 9,964,136.10 = 2,155,033.40 : x
  2. Step 2: Convert to fraction form
    6,642,757.40/9,964,136.10 = 2,155,033.40/x
  3. Step 3: Cross multiply
    6,642,757.40x = 9,964,136.10 × 2,155,033.40
  4. Step 4: Simplify right side
    6,642,757.40x = 21,473,046,097,645.74
  5. Step 5: Solve for x
    x = 21,473,046,097,645.74/6,642,757.40
  6. Step 6: Final answer
    x = 3,232,550.10

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Double scale
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Similar ratio
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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.