Home / 12,300,236.38-18,450,420.27-8,067,210.40

Finding the Fourth Proportional to 12,300,236.38, 18,450,420.27 and 8,067,210.40

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Solution

The fourth proportional to 12,300,236.38, 18,450,420.27 and 8,067,210.40 is: 12,100,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,236.38 : 18,450,420.27 = 8,067,210.40 : x
  2. Step 2: Convert to fraction form
    12,300,236.38/18,450,420.27 = 8,067,210.40/x
  3. Step 3: Cross multiply
    12,300,236.38x = 18,450,420.27 × 8,067,210.40
  4. Step 4: Simplify right side
    12,300,236.38x = 148,843,422,286,514.81
  5. Step 5: Solve for x
    x = 148,843,422,286,514.81/12,300,236.38
  6. Step 6: Final answer
    x = 12,100,858.69

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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.