Home / 18,944,299.25-26,141,180.65-13,985,378

Finding the Fourth Proportional to 18,944,299.25, 26,141,180.65 and 13,985,378

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Solution

The fourth proportional to 18,944,299.25, 26,141,180.65 and 13,985,378 is: 19,298,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,299.25 : 26,141,180.65 = 13,985,378 : x
  2. Step 2: Convert to fraction form
    18,944,299.25/26,141,180.65 = 13,985,378/x
  3. Step 3: Cross multiply
    18,944,299.25x = 26,141,180.65 × 13,985,378
  4. Step 4: Simplify right side
    18,944,299.25x = 365,594,292,756,535.69
  5. Step 5: Solve for x
    x = 365,594,292,756,535.69/18,944,299.25
  6. Step 6: Final answer
    x = 19,298,380.37

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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.