Home / 20,307,622.08-28,024,353.75-11,015,169.03

Finding the Fourth Proportional to 20,307,622.08, 28,024,353.75 and 11,015,169.03

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Solution

The fourth proportional to 20,307,622.08, 28,024,353.75 and 11,015,169.03 is: 15,200,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,622.08 : 28,024,353.75 = 11,015,169.03 : x
  2. Step 2: Convert to fraction form
    20,307,622.08/28,024,353.75 = 11,015,169.03/x
  3. Step 3: Cross multiply
    20,307,622.08x = 28,024,353.75 × 11,015,169.03
  4. Step 4: Simplify right side
    20,307,622.08x = 308,692,993,512,764.31
  5. Step 5: Solve for x
    x = 308,692,993,512,764.31/20,307,622.08
  6. Step 6: Final answer
    x = 15,200,843.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.