Home / 22,179,063.08-30,763,691.45-21,589,156.28

Finding the Fourth Proportional to 22,179,063.08, 30,763,691.45 and 21,589,156.28

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Solution

The fourth proportional to 22,179,063.08, 30,763,691.45 and 21,589,156.28 is: 29,945,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179,063.08 : 30,763,691.45 = 21,589,156.28 : x
  2. Step 2: Convert to fraction form
    22,179,063.08/30,763,691.45 = 21,589,156.28/x
  3. Step 3: Cross multiply
    22,179,063.08x = 30,763,691.45 × 21,589,156.28
  4. Step 4: Simplify right side
    22,179,063.08x = 664,162,142,463,749.88
  5. Step 5: Solve for x
    x = 664,162,142,463,749.88/22,179,063.08
  6. Step 6: Final answer
    x = 29,945,455.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.