Home / 20,856,167.80-31,284,251.70-17,706,887.80

Finding the Fourth Proportional to 20,856,167.80, 31,284,251.70 and 17,706,887.80

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Solution

The fourth proportional to 20,856,167.80, 31,284,251.70 and 17,706,887.80 is: 26,560,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,167.80 : 31,284,251.70 = 17,706,887.80 : x
  2. Step 2: Convert to fraction form
    20,856,167.80/31,284,251.70 = 17,706,887.80/x
  3. Step 3: Cross multiply
    20,856,167.80x = 31,284,251.70 × 17,706,887.80
  4. Step 4: Simplify right side
    20,856,167.80x = 553,946,734,758,859.25
  5. Step 5: Solve for x
    x = 553,946,734,758,859.25/20,856,167.80
  6. Step 6: Final answer
    x = 26,560,331.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.