Home / 20,566,464.57-28,381,315.31-11,274,054.66

Finding the Fourth Proportional to 20,566,464.57, 28,381,315.31 and 11,274,054.66

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Solution

The fourth proportional to 20,566,464.57, 28,381,315.31 and 11,274,054.66 is: 15,557,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566,464.57 : 28,381,315.31 = 11,274,054.66 : x
  2. Step 2: Convert to fraction form
    20,566,464.57/28,381,315.31 = 11,274,054.66/x
  3. Step 3: Cross multiply
    20,566,464.57x = 28,381,315.31 × 11,274,054.66
  4. Step 4: Simplify right side
    20,566,464.57x = 319,972,500,113,542.25
  5. Step 5: Solve for x
    x = 319,972,500,113,542.25/20,566,464.57
  6. Step 6: Final answer
    x = 15,557,972.98

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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.