Home / 20,734,110.20-31,078,355.70-7,264,004.60

Finding the Fourth Proportional to 20,734,110.20, 31,078,355.70 and 7,264,004.60

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Solution

The fourth proportional to 20,734,110.20, 31,078,355.70 and 7,264,004.60 is: 10,888,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,110.20 : 31,078,355.70 = 7,264,004.60 : x
  2. Step 2: Convert to fraction form
    20,734,110.20/31,078,355.70 = 7,264,004.60/x
  3. Step 3: Cross multiply
    20,734,110.20x = 31,078,355.70 × 7,264,004.60
  4. Step 4: Simplify right side
    20,734,110.20x = 225,753,318,765,236.19
  5. Step 5: Solve for x
    x = 225,753,318,765,236.19/20,734,110.20
  6. Step 6: Final answer
    x = 10,888,015.77

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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.