Home / 20,976,566.58-28,948,203.09-11,809,537.38

Finding the Fourth Proportional to 20,976,566.58, 28,948,203.09 and 11,809,537.38

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Solution

The fourth proportional to 20,976,566.58, 28,948,203.09 and 11,809,537.38 is: 16,297,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,976,566.58 : 28,948,203.09 = 11,809,537.38 : x
  2. Step 2: Convert to fraction form
    20,976,566.58/28,948,203.09 = 11,809,537.38/x
  3. Step 3: Cross multiply
    20,976,566.58x = 28,948,203.09 × 11,809,537.38
  4. Step 4: Simplify right side
    20,976,566.58x = 341,864,886,475,186.50
  5. Step 5: Solve for x
    x = 341,864,886,475,186.50/20,976,566.58
  6. Step 6: Final answer
    x = 16,297,466.28

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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.