Home / 12,029,230.80-18,043,846.20-3,053,782.80

Finding the Fourth Proportional to 12,029,230.80, 18,043,846.20 and 3,053,782.80

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Solution

The fourth proportional to 12,029,230.80, 18,043,846.20 and 3,053,782.80 is: 4,580,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,230.80 : 18,043,846.20 = 3,053,782.80 : x
  2. Step 2: Convert to fraction form
    12,029,230.80/18,043,846.20 = 3,053,782.80/x
  3. Step 3: Cross multiply
    12,029,230.80x = 18,043,846.20 × 3,053,782.80
  4. Step 4: Simplify right side
    12,029,230.80x = 55,101,987,171,405.35
  5. Step 5: Solve for x
    x = 55,101,987,171,405.35/12,029,230.80
  6. Step 6: Final answer
    x = 4,580,674.20

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Similar ratio
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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.