Home / 20,682,260.82-31,030,378.56-9,166,152.96

Finding the Fourth Proportional to 20,682,260.82, 31,030,378.56 and 9,166,152.96

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Solution

The fourth proportional to 20,682,260.82, 31,030,378.56 and 9,166,152.96 is: 13,752,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,260.82 : 31,030,378.56 = 9,166,152.96 : x
  2. Step 2: Convert to fraction form
    20,682,260.82/31,030,378.56 = 9,166,152.96/x
  3. Step 3: Cross multiply
    20,682,260.82x = 31,030,378.56 × 9,166,152.96
  4. Step 4: Simplify right side
    20,682,260.82x = 284,429,196,287,664.56
  5. Step 5: Solve for x
    x = 284,429,196,287,664.56/20,682,260.82
  6. Step 6: Final answer
    x = 13,752,326.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.