Home / 28,216,163.53-42,314,091.26-9,767,095.80

Finding the Fourth Proportional to 28,216,163.53, 42,314,091.26 and 9,767,095.80

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Solution

The fourth proportional to 28,216,163.53, 42,314,091.26 and 9,767,095.80 is: 14,647,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216,163.53 : 42,314,091.26 = 9,767,095.80 : x
  2. Step 2: Convert to fraction form
    28,216,163.53/42,314,091.26 = 9,767,095.80/x
  3. Step 3: Cross multiply
    28,216,163.53x = 42,314,091.26 × 9,767,095.80
  4. Step 4: Simplify right side
    28,216,163.53x = 413,285,782,818,849.44
  5. Step 5: Solve for x
    x = 413,285,782,818,849.44/28,216,163.53
  6. Step 6: Final answer
    x = 14,647,128.85

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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.