Home / 7,338,068.40-11,008,414.80-3,078,667.20

Finding the Fourth Proportional to 7,338,068.40, 11,008,414.80 and 3,078,667.20

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Solution

The fourth proportional to 7,338,068.40, 11,008,414.80 and 3,078,667.20 is: 4,618,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,068.40 : 11,008,414.80 = 3,078,667.20 : x
  2. Step 2: Convert to fraction form
    7,338,068.40/11,008,414.80 = 3,078,667.20/x
  3. Step 3: Cross multiply
    7,338,068.40x = 11,008,414.80 × 3,078,667.20
  4. Step 4: Simplify right side
    7,338,068.40x = 33,891,245,568,754.56
  5. Step 5: Solve for x
    x = 33,891,245,568,754.56/7,338,068.40
  6. Step 6: Final answer
    x = 4,618,551.33

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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.