Home / 20,684,739.80-31,027,109.70-17,496,093.80

Finding the Fourth Proportional to 20,684,739.80, 31,027,109.70 and 17,496,093.80

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Solution

The fourth proportional to 20,684,739.80, 31,027,109.70 and 17,496,093.80 is: 26,244,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,739.80 : 31,027,109.70 = 17,496,093.80 : x
  2. Step 2: Convert to fraction form
    20,684,739.80/31,027,109.70 = 17,496,093.80/x
  3. Step 3: Cross multiply
    20,684,739.80x = 31,027,109.70 × 17,496,093.80
  4. Step 4: Simplify right side
    20,684,739.80x = 542,853,221,654,089.88
  5. Step 5: Solve for x
    x = 542,853,221,654,089.88/20,684,739.80
  6. Step 6: Final answer
    x = 26,244,140.70

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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.