Home / 21,226,021.56-31,835,921.94-10,440,427.32

Finding the Fourth Proportional to 21,226,021.56, 31,835,921.94 and 10,440,427.32

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Solution

The fourth proportional to 21,226,021.56, 31,835,921.94 and 10,440,427.32 is: 15,659,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226,021.56 : 31,835,921.94 = 10,440,427.32 : x
  2. Step 2: Convert to fraction form
    21,226,021.56/31,835,921.94 = 10,440,427.32/x
  3. Step 3: Cross multiply
    21,226,021.56x = 31,835,921.94 × 10,440,427.32
  4. Step 4: Simplify right side
    21,226,021.56x = 332,380,629,179,763.44
  5. Step 5: Solve for x
    x = 332,380,629,179,763.44/21,226,021.56
  6. Step 6: Final answer
    x = 15,659,111.07

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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.