Home / 18,976,542.43-28,466,563.52-6,197,114.11

Finding the Fourth Proportional to 18,976,542.43, 28,466,563.52 and 6,197,114.11

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Solution

The fourth proportional to 18,976,542.43, 28,466,563.52 and 6,197,114.11 is: 9,296,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,542.43 : 28,466,563.52 = 6,197,114.11 : x
  2. Step 2: Convert to fraction form
    18,976,542.43/28,466,563.52 = 6,197,114.11/x
  3. Step 3: Cross multiply
    18,976,542.43x = 28,466,563.52 × 6,197,114.11
  4. Step 4: Simplify right side
    18,976,542.43x = 176,410,542,453,003.28
  5. Step 5: Solve for x
    x = 176,410,542,453,003.28/18,976,542.43
  6. Step 6: Final answer
    x = 9,296,242.62

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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.