Home / 19,788,471.46-29,716,408.85-12,883,704.22

Finding the Fourth Proportional to 19,788,471.46, 29,716,408.85 and 12,883,704.22

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Solution

The fourth proportional to 19,788,471.46, 29,716,408.85 and 12,883,704.22 is: 19,347,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,471.46 : 29,716,408.85 = 12,883,704.22 : x
  2. Step 2: Convert to fraction form
    19,788,471.46/29,716,408.85 = 12,883,704.22/x
  3. Step 3: Cross multiply
    19,788,471.46x = 29,716,408.85 × 12,883,704.22
  4. Step 4: Simplify right side
    19,788,471.46x = 382,857,422,103,990.38
  5. Step 5: Solve for x
    x = 382,857,422,103,990.38/19,788,471.46
  6. Step 6: Final answer
    x = 19,347,498.51

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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.