Home / 19,781,230.20-29,671,845.30-11,136,456.60

Finding the Fourth Proportional to 19,781,230.20, 29,671,845.30 and 11,136,456.60

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Solution

The fourth proportional to 19,781,230.20, 29,671,845.30 and 11,136,456.60 is: 16,704,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,230.20 : 29,671,845.30 = 11,136,456.60 : x
  2. Step 2: Convert to fraction form
    19,781,230.20/29,671,845.30 = 11,136,456.60/x
  3. Step 3: Cross multiply
    19,781,230.20x = 29,671,845.30 × 11,136,456.60
  4. Step 4: Simplify right side
    19,781,230.20x = 330,439,217,425,364
  5. Step 5: Solve for x
    x = 330,439,217,425,364/19,781,230.20
  6. Step 6: Final answer
    x = 16,704,684.90

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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.