Home / 12,043,400.80-18,065,101.20-3,957,624.40

Finding the Fourth Proportional to 12,043,400.80, 18,065,101.20 and 3,957,624.40

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Solution

The fourth proportional to 12,043,400.80, 18,065,101.20 and 3,957,624.40 is: 5,936,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,400.80 : 18,065,101.20 = 3,957,624.40 : x
  2. Step 2: Convert to fraction form
    12,043,400.80/18,065,101.20 = 3,957,624.40/x
  3. Step 3: Cross multiply
    12,043,400.80x = 18,065,101.20 × 3,957,624.40
  4. Step 4: Simplify right side
    12,043,400.80x = 71,494,885,297,589.28
  5. Step 5: Solve for x
    x = 71,494,885,297,589.28/12,043,400.80
  6. Step 6: Final answer
    x = 5,936,436.60

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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.