Home / 21,948,818.06-32,916,248.94-20,515,916.72

Finding the Fourth Proportional to 21,948,818.06, 32,916,248.94 and 20,515,916.72

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Solution

The fourth proportional to 21,948,818.06, 32,916,248.94 and 20,515,916.72 is: 30,767,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,818.06 : 32,916,248.94 = 20,515,916.72 : x
  2. Step 2: Convert to fraction form
    21,948,818.06/32,916,248.94 = 20,515,916.72/x
  3. Step 3: Cross multiply
    21,948,818.06x = 32,916,248.94 × 20,515,916.72
  4. Step 4: Simplify right side
    21,948,818.06x = 675,307,022,147,053.62
  5. Step 5: Solve for x
    x = 675,307,022,147,053.62/21,948,818.06
  6. Step 6: Final answer
    x = 30,767,352.49

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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.