Home / 20,734,099.20-31,078,339.20-7,263,993.60

Finding the Fourth Proportional to 20,734,099.20, 31,078,339.20 and 7,263,993.60

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Solution

The fourth proportional to 20,734,099.20, 31,078,339.20 and 7,263,993.60 is: 10,887,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,099.20 : 31,078,339.20 = 7,263,993.60 : x
  2. Step 2: Convert to fraction form
    20,734,099.20/31,078,339.20 = 7,263,993.60/x
  3. Step 3: Cross multiply
    20,734,099.20x = 31,078,339.20 × 7,263,993.60
  4. Step 4: Simplify right side
    20,734,099.20x = 225,752,857,047,429.09
  5. Step 5: Solve for x
    x = 225,752,857,047,429.09/20,734,099.20
  6. Step 6: Final answer
    x = 10,887,999.27

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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.