Home / 12,178,561.01-16,800,037.14-7,530,863.42

Finding the Fourth Proportional to 12,178,561.01, 16,800,037.14 and 7,530,863.42

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Solution

The fourth proportional to 12,178,561.01, 16,800,037.14 and 7,530,863.42 is: 10,388,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,561.01 : 16,800,037.14 = 7,530,863.42 : x
  2. Step 2: Convert to fraction form
    12,178,561.01/16,800,037.14 = 7,530,863.42/x
  3. Step 3: Cross multiply
    12,178,561.01x = 16,800,037.14 × 7,530,863.42
  4. Step 4: Simplify right side
    12,178,561.01x = 126,518,785,201,323.94
  5. Step 5: Solve for x
    x = 126,518,785,201,323.94/12,178,561.01
  6. Step 6: Final answer
    x = 10,388,648.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.