Home / 12,156,836.80-18,235,255.20-11,596,964.80

Finding the Fourth Proportional to 12,156,836.80, 18,235,255.20 and 11,596,964.80

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Solution

The fourth proportional to 12,156,836.80, 18,235,255.20 and 11,596,964.80 is: 17,395,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,836.80 : 18,235,255.20 = 11,596,964.80 : x
  2. Step 2: Convert to fraction form
    12,156,836.80/18,235,255.20 = 11,596,964.80/x
  3. Step 3: Cross multiply
    12,156,836.80x = 18,235,255.20 × 11,596,964.80
  4. Step 4: Simplify right side
    12,156,836.80x = 211,473,612,673,416.97
  5. Step 5: Solve for x
    x = 211,473,612,673,416.97/12,156,836.80
  6. Step 6: Final answer
    x = 17,395,447.20

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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.