Home / 20,631,843.45-30,947,765.18-11,065,905.45

Finding the Fourth Proportional to 20,631,843.45, 30,947,765.18 and 11,065,905.45

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Solution

The fourth proportional to 20,631,843.45, 30,947,765.18 and 11,065,905.45 is: 16,598,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631,843.45 : 30,947,765.18 = 11,065,905.45 : x
  2. Step 2: Convert to fraction form
    20,631,843.45/30,947,765.18 = 11,065,905.45/x
  3. Step 3: Cross multiply
    20,631,843.45x = 30,947,765.18 × 11,065,905.45
  4. Step 4: Simplify right side
    20,631,843.45x = 342,465,043,315,352.69
  5. Step 5: Solve for x
    x = 342,465,043,315,352.69/20,631,843.45
  6. Step 6: Final answer
    x = 16,598,858.18

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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.