Home / 38,647,255.94-53,332,898.82-21,243,416.12

Finding the Fourth Proportional to 38,647,255.94, 53,332,898.82 and 21,243,416.12

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Solution

The fourth proportional to 38,647,255.94, 53,332,898.82 and 21,243,416.12 is: 29,315,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,255.94 : 53,332,898.82 = 21,243,416.12 : x
  2. Step 2: Convert to fraction form
    38,647,255.94/53,332,898.82 = 21,243,416.12/x
  3. Step 3: Cross multiply
    38,647,255.94x = 53,332,898.82 × 21,243,416.12
  4. Step 4: Simplify right side
    38,647,255.94x = 1,132,972,962,519,117
  5. Step 5: Solve for x
    x = 1,132,972,962,519,117/38,647,255.94
  6. Step 6: Final answer
    x = 29,315,741.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.