Home / 20,684,755.80-31,027,133.70-17,496,109.80

Finding the Fourth Proportional to 20,684,755.80, 31,027,133.70 and 17,496,109.80

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Solution

The fourth proportional to 20,684,755.80, 31,027,133.70 and 17,496,109.80 is: 26,244,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,755.80 : 31,027,133.70 = 17,496,109.80 : x
  2. Step 2: Convert to fraction form
    20,684,755.80/31,027,133.70 = 17,496,109.80/x
  3. Step 3: Cross multiply
    20,684,755.80x = 31,027,133.70 × 17,496,109.80
  4. Step 4: Simplify right side
    20,684,755.80x = 542,854,137,994,480.25
  5. Step 5: Solve for x
    x = 542,854,137,994,480.25/20,684,755.80
  6. Step 6: Final answer
    x = 26,244,164.70

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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.