Home / 20,392,891.24-28,142,770.04-11,101,060.54

Finding the Fourth Proportional to 20,392,891.24, 28,142,770.04 and 11,101,060.54

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Solution

The fourth proportional to 20,392,891.24, 28,142,770.04 and 11,101,060.54 is: 15,319,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,891.24 : 28,142,770.04 = 11,101,060.54 : x
  2. Step 2: Convert to fraction form
    20,392,891.24/28,142,770.04 = 11,101,060.54/x
  3. Step 3: Cross multiply
    20,392,891.24x = 28,142,770.04 × 11,101,060.54
  4. Step 4: Simplify right side
    20,392,891.24x = 312,414,593,977,338.19
  5. Step 5: Solve for x
    x = 312,414,593,977,338.19/20,392,891.24
  6. Step 6: Final answer
    x = 15,319,779.34

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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.