Home / 19,781,229.70-29,671,844.55-11,136,456.10

Finding the Fourth Proportional to 19,781,229.70, 29,671,844.55 and 11,136,456.10

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Solution

The fourth proportional to 19,781,229.70, 29,671,844.55 and 11,136,456.10 is: 16,704,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,229.70 : 29,671,844.55 = 11,136,456.10 : x
  2. Step 2: Convert to fraction form
    19,781,229.70/29,671,844.55 = 11,136,456.10/x
  3. Step 3: Cross multiply
    19,781,229.70x = 29,671,844.55 × 11,136,456.10
  4. Step 4: Simplify right side
    19,781,229.70x = 330,439,194,237,099.25
  5. Step 5: Solve for x
    x = 330,439,194,237,099.25/19,781,229.70
  6. Step 6: Final answer
    x = 16,704,684.15

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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.