Home / 12,339,814.40-18,512,486.40-4,766,105.60

Finding the Fourth Proportional to 12,339,814.40, 18,512,486.40 and 4,766,105.60

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Solution

The fourth proportional to 12,339,814.40, 18,512,486.40 and 4,766,105.60 is: 7,150,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,814.40 : 18,512,486.40 = 4,766,105.60 : x
  2. Step 2: Convert to fraction form
    12,339,814.40/18,512,486.40 = 4,766,105.60/x
  3. Step 3: Cross multiply
    12,339,814.40x = 18,512,486.40 × 4,766,105.60
  4. Step 4: Simplify right side
    12,339,814.40x = 88,232,465,100,963.83
  5. Step 5: Solve for x
    x = 88,232,465,100,963.83/12,339,814.40
  6. Step 6: Final answer
    x = 7,150,226.27

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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.