Home / 12,534,833.50-18,778,039.85-9,246,394.69

Finding the Fourth Proportional to 12,534,833.50, 18,778,039.85 and 9,246,394.69

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Solution

The fourth proportional to 12,534,833.50, 18,778,039.85 and 9,246,394.69 is: 13,851,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534,833.50 : 18,778,039.85 = 9,246,394.69 : x
  2. Step 2: Convert to fraction form
    12,534,833.50/18,778,039.85 = 9,246,394.69/x
  3. Step 3: Cross multiply
    12,534,833.50x = 18,778,039.85 × 9,246,394.69
  4. Step 4: Simplify right side
    12,534,833.50x = 173,629,167,933,819.28
  5. Step 5: Solve for x
    x = 173,629,167,933,819.28/12,534,833.50
  6. Step 6: Final answer
    x = 13,851,733.09

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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.