Home / 28,333,046.70-42,436,584.45-21,922,512.30

Finding the Fourth Proportional to 28,333,046.70, 42,436,584.45 and 21,922,512.30

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Solution

The fourth proportional to 28,333,046.70, 42,436,584.45 and 21,922,512.30 is: 32,835,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,046.70 : 42,436,584.45 = 21,922,512.30 : x
  2. Step 2: Convert to fraction form
    28,333,046.70/42,436,584.45 = 21,922,512.30/x
  3. Step 3: Cross multiply
    28,333,046.70x = 42,436,584.45 × 21,922,512.30
  4. Step 4: Simplify right side
    28,333,046.70x = 930,316,544,575,113.88
  5. Step 5: Solve for x
    x = 930,316,544,575,113.88/28,333,046.70
  6. Step 6: Final answer
    x = 32,835,033.75

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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.