Home / 7,338,805.20-11,008,207.80-2,289,459.60

Finding the Fourth Proportional to 7,338,805.20, 11,008,207.80 and 2,289,459.60

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Solution

The fourth proportional to 7,338,805.20, 11,008,207.80 and 2,289,459.60 is: 3,434,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,805.20 : 11,008,207.80 = 2,289,459.60 : x
  2. Step 2: Convert to fraction form
    7,338,805.20/11,008,207.80 = 2,289,459.60/x
  3. Step 3: Cross multiply
    7,338,805.20x = 11,008,207.80 × 2,289,459.60
  4. Step 4: Simplify right side
    7,338,805.20x = 25,202,847,026,504.88
  5. Step 5: Solve for x
    x = 25,202,847,026,504.88/7,338,805.20
  6. Step 6: Final answer
    x = 3,434,189.40

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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.