Home / 28,134,811.80-42,202,217.70-16,797,403.80

Finding the Fourth Proportional to 28,134,811.80, 42,202,217.70 and 16,797,403.80

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Solution

The fourth proportional to 28,134,811.80, 42,202,217.70 and 16,797,403.80 is: 25,196,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,811.80 : 42,202,217.70 = 16,797,403.80 : x
  2. Step 2: Convert to fraction form
    28,134,811.80/42,202,217.70 = 16,797,403.80/x
  3. Step 3: Cross multiply
    28,134,811.80x = 42,202,217.70 × 16,797,403.80
  4. Step 4: Simplify right side
    28,134,811.80x = 708,887,691,962,407.38
  5. Step 5: Solve for x
    x = 708,887,691,962,407.38/28,134,811.80
  6. Step 6: Final answer
    x = 25,196,105.70

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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.