Home / 19,136,800.85-28,702,513.32-5,491,110.03

Finding the Fourth Proportional to 19,136,800.85, 28,702,513.32 and 5,491,110.03

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Solution

The fourth proportional to 19,136,800.85, 28,702,513.32 and 5,491,110.03 is: 8,235,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136,800.85 : 28,702,513.32 = 5,491,110.03 : x
  2. Step 2: Convert to fraction form
    19,136,800.85/28,702,513.32 = 5,491,110.03/x
  3. Step 3: Cross multiply
    19,136,800.85x = 28,702,513.32 × 5,491,110.03
  4. Step 4: Simplify right side
    19,136,800.85x = 157,608,658,810,886.16
  5. Step 5: Solve for x
    x = 157,608,658,810,886.16/19,136,800.85
  6. Step 6: Final answer
    x = 8,235,893.77

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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.