Home / 10,388,738.20-15,583,107.06-2,815,703.80

Finding the Fourth Proportional to 10,388,738.20, 15,583,107.06 and 2,815,703.80

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Solution

The fourth proportional to 10,388,738.20, 15,583,107.06 and 2,815,703.80 is: 4,223,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,738.20 : 15,583,107.06 = 2,815,703.80 : x
  2. Step 2: Convert to fraction form
    10,388,738.20/15,583,107.06 = 2,815,703.80/x
  3. Step 3: Cross multiply
    10,388,738.20x = 15,583,107.06 × 2,815,703.80
  4. Step 4: Simplify right side
    10,388,738.20x = 43,877,413,764,648.83
  5. Step 5: Solve for x
    x = 43,877,413,764,648.83/10,388,738.20
  6. Step 6: Final answer
    x = 4,223,555.63

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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.