Home / 10,131,409.53-13,981,354.21-5,485,197.89

Finding the Fourth Proportional to 10,131,409.53, 13,981,354.21 and 5,485,197.89

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Solution

The fourth proportional to 10,131,409.53, 13,981,354.21 and 5,485,197.89 is: 7,569,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,409.53 : 13,981,354.21 = 5,485,197.89 : x
  2. Step 2: Convert to fraction form
    10,131,409.53/13,981,354.21 = 5,485,197.89/x
  3. Step 3: Cross multiply
    10,131,409.53x = 13,981,354.21 × 5,485,197.89
  4. Step 4: Simplify right side
    10,131,409.53x = 76,690,494,653,844.50
  5. Step 5: Solve for x
    x = 76,690,494,653,844.50/10,131,409.53
  6. Step 6: Final answer
    x = 7,569,578.00

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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.