Home / 20,392,251.10-28,142,048.93-11,099,371.93

Finding the Fourth Proportional to 20,392,251.10, 28,142,048.93 and 11,099,371.93

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Solution

The fourth proportional to 20,392,251.10, 28,142,048.93 and 11,099,371.93 is: 15,317,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,251.10 : 28,142,048.93 = 11,099,371.93 : x
  2. Step 2: Convert to fraction form
    20,392,251.10/28,142,048.93 = 11,099,371.93/x
  3. Step 3: Cross multiply
    20,392,251.10x = 28,142,048.93 × 11,099,371.93
  4. Step 4: Simplify right side
    20,392,251.10x = 312,359,067,750,121.44
  5. Step 5: Solve for x
    x = 312,359,067,750,121.44/20,392,251.10
  6. Step 6: Final answer
    x = 15,317,537.35

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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.