Home / 21,159,018.22-31,738,388.54-5,805,106.96

Finding the Fourth Proportional to 21,159,018.22, 31,738,388.54 and 5,805,106.96

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Solution

The fourth proportional to 21,159,018.22, 31,738,388.54 and 5,805,106.96 is: 8,707,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159,018.22 : 31,738,388.54 = 5,805,106.96 : x
  2. Step 2: Convert to fraction form
    21,159,018.22/31,738,388.54 = 5,805,106.96/x
  3. Step 3: Cross multiply
    21,159,018.22x = 31,738,388.54 × 5,805,106.96
  4. Step 4: Simplify right side
    21,159,018.22x = 184,244,740,212,738.22
  5. Step 5: Solve for x
    x = 184,244,740,212,738.22/21,159,018.22
  6. Step 6: Final answer
    x = 8,707,622.36

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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.