Home / 19,328,676.82-28,993,023.44-5,681,824.16

Finding the Fourth Proportional to 19,328,676.82, 28,993,023.44 and 5,681,824.16

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Solution

The fourth proportional to 19,328,676.82, 28,993,023.44 and 5,681,824.16 is: 8,522,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328,676.82 : 28,993,023.44 = 5,681,824.16 : x
  2. Step 2: Convert to fraction form
    19,328,676.82/28,993,023.44 = 5,681,824.16/x
  3. Step 3: Cross multiply
    19,328,676.82x = 28,993,023.44 × 5,681,824.16
  4. Step 4: Simplify right side
    19,328,676.82x = 164,733,261,052,838.31
  5. Step 5: Solve for x
    x = 164,733,261,052,838.31/19,328,676.82
  6. Step 6: Final answer
    x = 8,522,738.65

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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.