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Finding the Fourth Proportional to 19,985,114, 29,978,500.44 and 5,801,690

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Solution

The fourth proportional to 19,985,114, 29,978,500.44 and 5,801,690 is: 8,702,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985,114 : 29,978,500.44 = 5,801,690 : x
  2. Step 2: Convert to fraction form
    19,985,114/29,978,500.44 = 5,801,690/x
  3. Step 3: Cross multiply
    19,985,114x = 29,978,500.44 × 5,801,690
  4. Step 4: Simplify right side
    19,985,114x = 173,925,966,217,743.59
  5. Step 5: Solve for x
    x = 173,925,966,217,743.59/19,985,114
  6. Step 6: Final answer
    x = 8,702,775.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.