Home / 20,894,135.76-28,833,907.23-11,726,778.51

Finding the Fourth Proportional to 20,894,135.76, 28,833,907.23 and 11,726,778.51

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Solution

The fourth proportional to 20,894,135.76, 28,833,907.23 and 11,726,778.51 is: 16,182,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,135.76 : 28,833,907.23 = 11,726,778.51 : x
  2. Step 2: Convert to fraction form
    20,894,135.76/28,833,907.23 = 11,726,778.51/x
  3. Step 3: Cross multiply
    20,894,135.76x = 28,833,907.23 × 11,726,778.51
  4. Step 4: Simplify right side
    20,894,135.76x = 338,128,843,664,097.62
  5. Step 5: Solve for x
    x = 338,128,843,664,097.62/20,894,135.76
  6. Step 6: Final answer
    x = 16,182,954.28

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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.