Home / 12,235,013.56-16,879,540.01-7,005,226.72

Finding the Fourth Proportional to 12,235,013.56, 16,879,540.01 and 7,005,226.72

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Solution

The fourth proportional to 12,235,013.56, 16,879,540.01 and 7,005,226.72 is: 9,664,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,013.56 : 16,879,540.01 = 7,005,226.72 : x
  2. Step 2: Convert to fraction form
    12,235,013.56/16,879,540.01 = 7,005,226.72/x
  3. Step 3: Cross multiply
    12,235,013.56x = 16,879,540.01 × 7,005,226.72
  4. Step 4: Simplify right side
    12,235,013.56x = 118,245,004,699,361.08
  5. Step 5: Solve for x
    x = 118,245,004,699,361.08/12,235,013.56
  6. Step 6: Final answer
    x = 9,664,476.80

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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.