Home / 21,014,705.92-31,519,449.84-5,663,195.92

Finding the Fourth Proportional to 21,014,705.92, 31,519,449.84 and 5,663,195.92

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Solution

The fourth proportional to 21,014,705.92, 31,519,449.84 and 5,663,195.92 is: 8,494,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,705.92 : 31,519,449.84 = 5,663,195.92 : x
  2. Step 2: Convert to fraction form
    21,014,705.92/31,519,449.84 = 5,663,195.92/x
  3. Step 3: Cross multiply
    21,014,705.92x = 31,519,449.84 × 5,663,195.92
  4. Step 4: Simplify right side
    21,014,705.92x = 178,500,819,734,532.66
  5. Step 5: Solve for x
    x = 178,500,819,734,532.66/21,014,705.92
  6. Step 6: Final answer
    x = 8,494,090.78

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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.