Home / 43,895,431.59-65,844,640.64-20,854,474.86

Finding the Fourth Proportional to 43,895,431.59, 65,844,640.64 and 20,854,474.86

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Solution

The fourth proportional to 43,895,431.59, 65,844,640.64 and 20,854,474.86 is: 31,282,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895,431.59 : 65,844,640.64 = 20,854,474.86 : x
  2. Step 2: Convert to fraction form
    43,895,431.59/65,844,640.64 = 20,854,474.86/x
  3. Step 3: Cross multiply
    43,895,431.59x = 65,844,640.64 × 20,854,474.86
  4. Step 4: Simplify right side
    43,895,431.59x = 1,373,155,402,892,614.25
  5. Step 5: Solve for x
    x = 1,373,155,402,892,614.25/43,895,431.59
  6. Step 6: Final answer
    x = 31,282,421.73

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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.