Home / 6,645,632.20-9,968,448.30-3,286,400.20

Finding the Fourth Proportional to 6,645,632.20, 9,968,448.30 and 3,286,400.20

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Solution

The fourth proportional to 6,645,632.20, 9,968,448.30 and 3,286,400.20 is: 4,929,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,632.20 : 9,968,448.30 = 3,286,400.20 : x
  2. Step 2: Convert to fraction form
    6,645,632.20/9,968,448.30 = 3,286,400.20/x
  3. Step 3: Cross multiply
    6,645,632.20x = 9,968,448.30 × 3,286,400.20
  4. Step 4: Simplify right side
    6,645,632.20x = 32,760,310,486,809.66
  5. Step 5: Solve for x
    x = 32,760,310,486,809.66/6,645,632.20
  6. Step 6: Final answer
    x = 4,929,600.30

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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.