Home / 21,014,994.78-31,519,883.16-5,663,485.44

Finding the Fourth Proportional to 21,014,994.78, 31,519,883.16 and 5,663,485.44

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Solution

The fourth proportional to 21,014,994.78, 31,519,883.16 and 5,663,485.44 is: 8,494,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,994.78 : 31,519,883.16 = 5,663,485.44 : x
  2. Step 2: Convert to fraction form
    21,014,994.78/31,519,883.16 = 5,663,485.44/x
  3. Step 3: Cross multiply
    21,014,994.78x = 31,519,883.16 × 5,663,485.44
  4. Step 4: Simplify right side
    21,014,994.78x = 178,512,399,347,161.22
  5. Step 5: Solve for x
    x = 178,512,399,347,161.22/21,014,994.78
  6. Step 6: Final answer
    x = 8,494,525.04

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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.