Home / 20,617,731.54-28,450,810.25-11,916,467.73

Finding the Fourth Proportional to 20,617,731.54, 28,450,810.25 and 11,916,467.73

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Solution

The fourth proportional to 20,617,731.54, 28,450,810.25 and 11,916,467.73 is: 16,443,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,731.54 : 28,450,810.25 = 11,916,467.73 : x
  2. Step 2: Convert to fraction form
    20,617,731.54/28,450,810.25 = 11,916,467.73/x
  3. Step 3: Cross multiply
    20,617,731.54x = 28,450,810.25 × 11,916,467.73
  4. Step 4: Simplify right side
    20,617,731.54x = 339,033,162,176,895.94
  5. Step 5: Solve for x
    x = 339,033,162,176,895.94/20,617,731.54
  6. Step 6: Final answer
    x = 16,443,766.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.