Home / 31,584,022.82-43,586,251.96-18,531,503.80

Finding the Fourth Proportional to 31,584,022.82, 43,586,251.96 and 18,531,503.80

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Solution

The fourth proportional to 31,584,022.82, 43,586,251.96 and 18,531,503.80 is: 25,573,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,022.82 : 43,586,251.96 = 18,531,503.80 : x
  2. Step 2: Convert to fraction form
    31,584,022.82/43,586,251.96 = 18,531,503.80/x
  3. Step 3: Cross multiply
    31,584,022.82x = 43,586,251.96 × 18,531,503.80
  4. Step 4: Simplify right side
    31,584,022.82x = 807,718,793,824,497.50
  5. Step 5: Solve for x
    x = 807,718,793,824,497.50/31,584,022.82
  6. Step 6: Final answer
    x = 25,573,651.54

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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.