Home / 18,389,782.62-25,377,898.24-10,659,309

Finding the Fourth Proportional to 18,389,782.62, 25,377,898.24 and 10,659,309

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Solution

The fourth proportional to 18,389,782.62, 25,377,898.24 and 10,659,309 is: 14,709,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,782.62 : 25,377,898.24 = 10,659,309 : x
  2. Step 2: Convert to fraction form
    18,389,782.62/25,377,898.24 = 10,659,309/x
  3. Step 3: Cross multiply
    18,389,782.62x = 25,377,898.24 × 10,659,309
  4. Step 4: Simplify right side
    18,389,782.62x = 270,510,859,110,716.16
  5. Step 5: Solve for x
    x = 270,510,859,110,716.16/18,389,782.62
  6. Step 6: Final answer
    x = 14,709,845.39

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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.