Home / 10,693,879.60-16,040,819.40-8,174,455.60

Finding the Fourth Proportional to 10,693,879.60, 16,040,819.40 and 8,174,455.60

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Solution

The fourth proportional to 10,693,879.60, 16,040,819.40 and 8,174,455.60 is: 12,261,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,879.60 : 16,040,819.40 = 8,174,455.60 : x
  2. Step 2: Convert to fraction form
    10,693,879.60/16,040,819.40 = 8,174,455.60/x
  3. Step 3: Cross multiply
    10,693,879.60x = 16,040,819.40 × 8,174,455.60
  4. Step 4: Simplify right side
    10,693,879.60x = 131,124,965,972,918.64
  5. Step 5: Solve for x
    x = 131,124,965,972,918.64/10,693,879.60
  6. Step 6: Final answer
    x = 12,261,683.40

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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.