Home / 12,984,377.80-17,915,222.10-8,395,177

Finding the Fourth Proportional to 12,984,377.80, 17,915,222.10 and 8,395,177

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Solution

The fourth proportional to 12,984,377.80, 17,915,222.10 and 8,395,177 is: 11,583,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,377.80 : 17,915,222.10 = 8,395,177 : x
  2. Step 2: Convert to fraction form
    12,984,377.80/17,915,222.10 = 8,395,177/x
  3. Step 3: Cross multiply
    12,984,377.80x = 17,915,222.10 × 8,395,177
  4. Step 4: Simplify right side
    12,984,377.80x = 150,401,460,523,811.72
  5. Step 5: Solve for x
    x = 150,401,460,523,811.72/12,984,377.80
  6. Step 6: Final answer
    x = 11,583,262.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.