Home / 20,388,546.20-30,582,819.30-6,925,374.20

Finding the Fourth Proportional to 20,388,546.20, 30,582,819.30 and 6,925,374.20

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Solution

The fourth proportional to 20,388,546.20, 30,582,819.30 and 6,925,374.20 is: 10,388,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388,546.20 : 30,582,819.30 = 6,925,374.20 : x
  2. Step 2: Convert to fraction form
    20,388,546.20/30,582,819.30 = 6,925,374.20/x
  3. Step 3: Cross multiply
    20,388,546.20x = 30,582,819.30 × 6,925,374.20
  4. Step 4: Simplify right side
    20,388,546.20x = 211,797,467,743,482.06
  5. Step 5: Solve for x
    x = 211,797,467,743,482.06/20,388,546.20
  6. Step 6: Final answer
    x = 10,388,061.30

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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.