Home / 21,491,297.70-32,236,946.55-19,507,251.30

Finding the Fourth Proportional to 21,491,297.70, 32,236,946.55 and 19,507,251.30

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Solution

The fourth proportional to 21,491,297.70, 32,236,946.55 and 19,507,251.30 is: 29,260,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,297.70 : 32,236,946.55 = 19,507,251.30 : x
  2. Step 2: Convert to fraction form
    21,491,297.70/32,236,946.55 = 19,507,251.30/x
  3. Step 3: Cross multiply
    21,491,297.70x = 32,236,946.55 × 19,507,251.30
  4. Step 4: Simplify right side
    21,491,297.70x = 628,854,217,495,518
  5. Step 5: Solve for x
    x = 628,854,217,495,518/21,491,297.70
  6. Step 6: Final answer
    x = 29,260,876.95

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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.