Home / 28,438,179.50-39,245,697.42-16,051,288.52

Finding the Fourth Proportional to 28,438,179.50, 39,245,697.42 and 16,051,288.52

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Solution

The fourth proportional to 28,438,179.50, 39,245,697.42 and 16,051,288.52 is: 22,151,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438,179.50 : 39,245,697.42 = 16,051,288.52 : x
  2. Step 2: Convert to fraction form
    28,438,179.50/39,245,697.42 = 16,051,288.52/x
  3. Step 3: Cross multiply
    28,438,179.50x = 39,245,697.42 × 16,051,288.52
  4. Step 4: Simplify right side
    28,438,179.50x = 629,944,012,457,039.62
  5. Step 5: Solve for x
    x = 629,944,012,457,039.62/28,438,179.50
  6. Step 6: Final answer
    x = 22,151,348.07

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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.