Home / 12,226,469.40-18,339,704.10-7,443,500.40

Finding the Fourth Proportional to 12,226,469.40, 18,339,704.10 and 7,443,500.40

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Solution

The fourth proportional to 12,226,469.40, 18,339,704.10 and 7,443,500.40 is: 11,165,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,469.40 : 18,339,704.10 = 7,443,500.40 : x
  2. Step 2: Convert to fraction form
    12,226,469.40/18,339,704.10 = 7,443,500.40/x
  3. Step 3: Cross multiply
    12,226,469.40x = 18,339,704.10 × 7,443,500.40
  4. Step 4: Simplify right side
    12,226,469.40x = 136,511,594,804,231.66
  5. Step 5: Solve for x
    x = 136,511,594,804,231.66/12,226,469.40
  6. Step 6: Final answer
    x = 11,165,250.60

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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.