Home / 7,338,065.40-11,008,410.30-3,078,664.20

Finding the Fourth Proportional to 7,338,065.40, 11,008,410.30 and 3,078,664.20

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Solution

The fourth proportional to 7,338,065.40, 11,008,410.30 and 3,078,664.20 is: 4,618,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,065.40 : 11,008,410.30 = 3,078,664.20 : x
  2. Step 2: Convert to fraction form
    7,338,065.40/11,008,410.30 = 3,078,664.20/x
  3. Step 3: Cross multiply
    7,338,065.40x = 11,008,410.30 × 3,078,664.20
  4. Step 4: Simplify right side
    7,338,065.40x = 33,891,198,689,521.27
  5. Step 5: Solve for x
    x = 33,891,198,689,521.27/7,338,065.40
  6. Step 6: Final answer
    x = 4,618,546.83

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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.