Home / 31,542,680.34-47,313,639.83-8,197,355.25

Finding the Fourth Proportional to 31,542,680.34, 47,313,639.83 and 8,197,355.25

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Solution

The fourth proportional to 31,542,680.34, 47,313,639.83 and 8,197,355.25 is: 12,295,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542,680.34 : 47,313,639.83 = 8,197,355.25 : x
  2. Step 2: Convert to fraction form
    31,542,680.34/47,313,639.83 = 8,197,355.25/x
  3. Step 3: Cross multiply
    31,542,680.34x = 47,313,639.83 × 8,197,355.25
  4. Step 4: Simplify right side
    31,542,680.34x = 387,846,713,877,553
  5. Step 5: Solve for x
    x = 387,846,713,877,553/31,542,680.34
  6. Step 6: Final answer
    x = 12,295,933.94

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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.