Home / 12,252,661.20-18,378,991.80-8,851,438.80

Finding the Fourth Proportional to 12,252,661.20, 18,378,991.80 and 8,851,438.80

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Solution

The fourth proportional to 12,252,661.20, 18,378,991.80 and 8,851,438.80 is: 13,277,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,661.20 : 18,378,991.80 = 8,851,438.80 : x
  2. Step 2: Convert to fraction form
    12,252,661.20/18,378,991.80 = 8,851,438.80/x
  3. Step 3: Cross multiply
    12,252,661.20x = 18,378,991.80 × 8,851,438.80
  4. Step 4: Simplify right side
    12,252,661.20x = 162,680,521,123,401.88
  5. Step 5: Solve for x
    x = 162,680,521,123,401.88/12,252,661.20
  6. Step 6: Final answer
    x = 13,277,158.20

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1.5x scale

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.