Home / 20,696,879.00-31,052,228.09-9,180,757.55

Finding the Fourth Proportional to 20,696,879.00, 31,052,228.09 and 9,180,757.55

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Solution

The fourth proportional to 20,696,879.00, 31,052,228.09 and 9,180,757.55 is: 13,774,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,879.00 : 31,052,228.09 = 9,180,757.55 : x
  2. Step 2: Convert to fraction form
    20,696,879.00/31,052,228.09 = 9,180,757.55/x
  3. Step 3: Cross multiply
    20,696,879.00x = 31,052,228.09 × 9,180,757.55
  4. Step 4: Simplify right side
    20,696,879.00x = 285,082,977,280,424.69
  5. Step 5: Solve for x
    x = 285,082,977,280,424.69/20,696,879.00
  6. Step 6: Final answer
    x = 13,774,201.29

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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.