Home / 20,566,461.20-28,381,310.62-11,274,051.29

Finding the Fourth Proportional to 20,566,461.20, 28,381,310.62 and 11,274,051.29

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Solution

The fourth proportional to 20,566,461.20, 28,381,310.62 and 11,274,051.29 is: 15,557,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566,461.20 : 28,381,310.62 = 11,274,051.29 : x
  2. Step 2: Convert to fraction form
    20,566,461.20/28,381,310.62 = 11,274,051.29/x
  3. Step 3: Cross multiply
    20,566,461.20x = 28,381,310.62 × 11,274,051.29
  4. Step 4: Simplify right side
    20,566,461.20x = 319,972,351,437,210
  5. Step 5: Solve for x
    x = 319,972,351,437,210/20,566,461.20
  6. Step 6: Final answer
    x = 15,557,968.31

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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.