Home / 12,453,676.80-18,678,765.60-3,934,874.40

Finding the Fourth Proportional to 12,453,676.80, 18,678,765.60 and 3,934,874.40

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Solution

The fourth proportional to 12,453,676.80, 18,678,765.60 and 3,934,874.40 is: 5,901,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,676.80 : 18,678,765.60 = 3,934,874.40 : x
  2. Step 2: Convert to fraction form
    12,453,676.80/18,678,765.60 = 3,934,874.40/x
  3. Step 3: Cross multiply
    12,453,676.80x = 18,678,765.60 × 3,934,874.40
  4. Step 4: Simplify right side
    12,453,676.80x = 73,498,596,583,040.64
  5. Step 5: Solve for x
    x = 73,498,596,583,040.64/12,453,676.80
  6. Step 6: Final answer
    x = 5,901,758.79

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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.