Home / 38,908,496.78-58,361,814.44-12,647,299.48

Finding the Fourth Proportional to 38,908,496.78, 58,361,814.44 and 12,647,299.48

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Solution

The fourth proportional to 38,908,496.78, 58,361,814.44 and 12,647,299.48 is: 18,970,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908,496.78 : 58,361,814.44 = 12,647,299.48 : x
  2. Step 2: Convert to fraction form
    38,908,496.78/58,361,814.44 = 12,647,299.48/x
  3. Step 3: Cross multiply
    38,908,496.78x = 58,361,814.44 × 12,647,299.48
  4. Step 4: Simplify right side
    38,908,496.78x = 738,119,345,418,868.50
  5. Step 5: Solve for x
    x = 738,119,345,418,868.50/38,908,496.78
  6. Step 6: Final answer
    x = 18,970,646.68

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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.