Home / 7,815,015.40-11,726,022.30-3,552,989.80

Finding the Fourth Proportional to 7,815,015.40, 11,726,022.30 and 3,552,989.80

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Solution

The fourth proportional to 7,815,015.40, 11,726,022.30 and 3,552,989.80 is: 5,331,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,015.40 : 11,726,022.30 = 3,552,989.80 : x
  2. Step 2: Convert to fraction form
    7,815,015.40/11,726,022.30 = 3,552,989.80/x
  3. Step 3: Cross multiply
    7,815,015.40x = 11,726,022.30 × 3,552,989.80
  4. Step 4: Simplify right side
    7,815,015.40x = 41,662,437,626,472.54
  5. Step 5: Solve for x
    x = 41,662,437,626,472.54/7,815,015.40
  6. Step 6: Final answer
    x = 5,331,075.56

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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.