Home / 18,385,964.20-27,578,946.30-4,922,792.20

Finding the Fourth Proportional to 18,385,964.20, 27,578,946.30 and 4,922,792.20

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Solution

The fourth proportional to 18,385,964.20, 27,578,946.30 and 4,922,792.20 is: 7,384,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,964.20 : 27,578,946.30 = 4,922,792.20 : x
  2. Step 2: Convert to fraction form
    18,385,964.20/27,578,946.30 = 4,922,792.20/x
  3. Step 3: Cross multiply
    18,385,964.20x = 27,578,946.30 × 4,922,792.20
  4. Step 4: Simplify right side
    18,385,964.20x = 135,765,421,729,858.88
  5. Step 5: Solve for x
    x = 135,765,421,729,858.88/18,385,964.20
  6. Step 6: Final answer
    x = 7,384,188.30

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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.