Home / 19,040,912.16-28,561,880.30-5,392,649.24

Finding the Fourth Proportional to 19,040,912.16, 28,561,880.30 and 5,392,649.24

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Solution

The fourth proportional to 19,040,912.16, 28,561,880.30 and 5,392,649.24 is: 8,089,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040,912.16 : 28,561,880.30 = 5,392,649.24 : x
  2. Step 2: Convert to fraction form
    19,040,912.16/28,561,880.30 = 5,392,649.24/x
  3. Step 3: Cross multiply
    19,040,912.16x = 28,561,880.30 × 5,392,649.24
  4. Step 4: Simplify right side
    19,040,912.16x = 154,024,201,922,993.34
  5. Step 5: Solve for x
    x = 154,024,201,922,993.34/19,040,912.16
  6. Step 6: Final answer
    x = 8,089,118.87

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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.