Home / 20,640,479.58-30,959,930.97-6,262,966.62

Finding the Fourth Proportional to 20,640,479.58, 30,959,930.97 and 6,262,966.62

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Solution

The fourth proportional to 20,640,479.58, 30,959,930.97 and 6,262,966.62 is: 9,394,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,479.58 : 30,959,930.97 = 6,262,966.62 : x
  2. Step 2: Convert to fraction form
    20,640,479.58/30,959,930.97 = 6,262,966.62/x
  3. Step 3: Cross multiply
    20,640,479.58x = 30,959,930.97 × 6,262,966.62
  4. Step 4: Simplify right side
    20,640,479.58x = 193,901,014,222,614.22
  5. Step 5: Solve for x
    x = 193,901,014,222,614.22/20,640,479.58
  6. Step 6: Final answer
    x = 9,394,210.70

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1.5x scale

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.