Home / 47,738,997.12-65,887,716.96-28,164,671.04

Finding the Fourth Proportional to 47,738,997.12, 65,887,716.96 and 28,164,671.04

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Solution

The fourth proportional to 47,738,997.12, 65,887,716.96 and 28,164,671.04 is: 38,871,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,738,997.12 : 65,887,716.96 = 28,164,671.04 : x
  2. Step 2: Convert to fraction form
    47,738,997.12/65,887,716.96 = 28,164,671.04/x
  3. Step 3: Cross multiply
    47,738,997.12x = 65,887,716.96 × 28,164,671.04
  4. Step 4: Simplify right side
    47,738,997.12x = 1,855,705,873,755,028.75
  5. Step 5: Solve for x
    x = 1,855,705,873,755,028.75/47,738,997.12
  6. Step 6: Final answer
    x = 38,871,907.37

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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.