Home / 19,809,940.20-29,697,630.30-7,687,674.60

Finding the Fourth Proportional to 19,809,940.20, 29,697,630.30 and 7,687,674.60

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Solution

The fourth proportional to 19,809,940.20, 29,697,630.30 and 7,687,674.60 is: 11,524,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,940.20 : 29,697,630.30 = 7,687,674.60 : x
  2. Step 2: Convert to fraction form
    19,809,940.20/29,697,630.30 = 7,687,674.60/x
  3. Step 3: Cross multiply
    19,809,940.20x = 29,697,630.30 × 7,687,674.60
  4. Step 4: Simplify right side
    19,809,940.20x = 228,305,718,137,500.38
  5. Step 5: Solve for x
    x = 228,305,718,137,500.38/19,809,940.20
  6. Step 6: Final answer
    x = 11,524,806.02

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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.