Home / 21,100,749.53-31,646,695.55-5,951,138.09

Finding the Fourth Proportional to 21,100,749.53, 31,646,695.55 and 5,951,138.09

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Solution

The fourth proportional to 21,100,749.53, 31,646,695.55 and 5,951,138.09 is: 8,925,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,749.53 : 31,646,695.55 = 5,951,138.09 : x
  2. Step 2: Convert to fraction form
    21,100,749.53/31,646,695.55 = 5,951,138.09/x
  3. Step 3: Cross multiply
    21,100,749.53x = 31,646,695.55 × 5,951,138.09
  4. Step 4: Simplify right side
    21,100,749.53x = 188,333,855,310,238.50
  5. Step 5: Solve for x
    x = 188,333,855,310,238.50/21,100,749.53
  6. Step 6: Final answer
    x = 8,925,458.08

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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.