Home / 28,620,658.89-42,930,550.94-11,569,232.25

Finding the Fourth Proportional to 28,620,658.89, 42,930,550.94 and 11,569,232.25

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Solution

The fourth proportional to 28,620,658.89, 42,930,550.94 and 11,569,232.25 is: 17,353,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620,658.89 : 42,930,550.94 = 11,569,232.25 : x
  2. Step 2: Convert to fraction form
    28,620,658.89/42,930,550.94 = 11,569,232.25/x
  3. Step 3: Cross multiply
    28,620,658.89x = 42,930,550.94 × 11,569,232.25
  4. Step 4: Simplify right side
    28,620,658.89x = 496,673,514,387,469.69
  5. Step 5: Solve for x
    x = 496,673,514,387,469.69/28,620,658.89
  6. Step 6: Final answer
    x = 17,353,671.57

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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.