Home / 14,078,512.80-21,117,769.20-5,989,455.90

Finding the Fourth Proportional to 14,078,512.80, 21,117,769.20 and 5,989,455.90

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Solution

The fourth proportional to 14,078,512.80, 21,117,769.20 and 5,989,455.90 is: 8,984,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,512.80 : 21,117,769.20 = 5,989,455.90 : x
  2. Step 2: Convert to fraction form
    14,078,512.80/21,117,769.20 = 5,989,455.90/x
  3. Step 3: Cross multiply
    14,078,512.80x = 21,117,769.20 × 5,989,455.90
  4. Step 4: Simplify right side
    14,078,512.80x = 126,483,947,329,778.28
  5. Step 5: Solve for x
    x = 126,483,947,329,778.28/14,078,512.80
  6. Step 6: Final answer
    x = 8,984,183.85

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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.