Home / 28,216,050.75-42,313,919.94-9,766,982.88

Finding the Fourth Proportional to 28,216,050.75, 42,313,919.94 and 9,766,982.88

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Solution

The fourth proportional to 28,216,050.75, 42,313,919.94 and 9,766,982.88 is: 14,646,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216,050.75 : 42,313,919.94 = 9,766,982.88 : x
  2. Step 2: Convert to fraction form
    28,216,050.75/42,313,919.94 = 9,766,982.88/x
  3. Step 3: Cross multiply
    28,216,050.75x = 42,313,919.94 × 9,766,982.88
  4. Step 4: Simplify right side
    28,216,050.75x = 413,279,331,639,670.62
  5. Step 5: Solve for x
    x = 413,279,331,639,670.62/28,216,050.75
  6. Step 6: Final answer
    x = 14,646,958.76

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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.