Home / 7,005,821.70-10,508,732.55-3,972,015.30

Finding the Fourth Proportional to 7,005,821.70, 10,508,732.55 and 3,972,015.30

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Solution

The fourth proportional to 7,005,821.70, 10,508,732.55 and 3,972,015.30 is: 5,958,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,821.70 : 10,508,732.55 = 3,972,015.30 : x
  2. Step 2: Convert to fraction form
    7,005,821.70/10,508,732.55 = 3,972,015.30/x
  3. Step 3: Cross multiply
    7,005,821.70x = 10,508,732.55 × 3,972,015.30
  4. Step 4: Simplify right side
    7,005,821.70x = 41,740,846,472,208.02
  5. Step 5: Solve for x
    x = 41,740,846,472,208.02/7,005,821.70
  6. Step 6: Final answer
    x = 5,958,022.95

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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.