Home / 21,948,817.88-32,916,248.66-20,515,916.54

Finding the Fourth Proportional to 21,948,817.88, 32,916,248.66 and 20,515,916.54

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Solution

The fourth proportional to 21,948,817.88, 32,916,248.66 and 20,515,916.54 is: 30,767,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,817.88 : 32,916,248.66 = 20,515,916.54 : x
  2. Step 2: Convert to fraction form
    21,948,817.88/32,916,248.66 = 20,515,916.54/x
  3. Step 3: Cross multiply
    21,948,817.88x = 32,916,248.66 × 20,515,916.54
  4. Step 4: Simplify right side
    21,948,817.88x = 675,307,010,205,155.38
  5. Step 5: Solve for x
    x = 675,307,010,205,155.38/21,948,817.88
  6. Step 6: Final answer
    x = 30,767,352.21

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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.