Home / 28,626,434.08-39,504,650.82-15,573,786.41

Finding the Fourth Proportional to 28,626,434.08, 39,504,650.82 and 15,573,786.41

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Solution

The fourth proportional to 28,626,434.08, 39,504,650.82 and 15,573,786.41 is: 21,491,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626,434.08 : 39,504,650.82 = 15,573,786.41 : x
  2. Step 2: Convert to fraction form
    28,626,434.08/39,504,650.82 = 15,573,786.41/x
  3. Step 3: Cross multiply
    28,626,434.08x = 39,504,650.82 × 15,573,786.41
  4. Step 4: Simplify right side
    28,626,434.08x = 615,236,994,072,311.38
  5. Step 5: Solve for x
    x = 615,236,994,072,311.38/28,626,434.08
  6. Step 6: Final answer
    x = 21,491,918.71

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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.