Home / 20,100,742.45-30,136,414.23-6,446,116.35

Finding the Fourth Proportional to 20,100,742.45, 30,136,414.23 and 6,446,116.35

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Solution

The fourth proportional to 20,100,742.45, 30,136,414.23 and 6,446,116.35 is: 9,664,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,742.45 : 30,136,414.23 = 6,446,116.35 : x
  2. Step 2: Convert to fraction form
    20,100,742.45/30,136,414.23 = 6,446,116.35/x
  3. Step 3: Cross multiply
    20,100,742.45x = 30,136,414.23 × 6,446,116.35
  4. Step 4: Simplify right side
    20,100,742.45x = 194,262,832,498,375.66
  5. Step 5: Solve for x
    x = 194,262,832,498,375.66/20,100,742.45
  6. Step 6: Final answer
    x = 9,664,460.55

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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.