Home / 22,809,878.20-34,214,817.30-21,298,223.80

Finding the Fourth Proportional to 22,809,878.20, 34,214,817.30 and 21,298,223.80

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Solution

The fourth proportional to 22,809,878.20, 34,214,817.30 and 21,298,223.80 is: 31,947,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809,878.20 : 34,214,817.30 = 21,298,223.80 : x
  2. Step 2: Convert to fraction form
    22,809,878.20/34,214,817.30 = 21,298,223.80/x
  3. Step 3: Cross multiply
    22,809,878.20x = 34,214,817.30 × 21,298,223.80
  4. Step 4: Simplify right side
    22,809,878.20x = 728,714,836,131,511.75
  5. Step 5: Solve for x
    x = 728,714,836,131,511.75/22,809,878.20
  6. Step 6: Final answer
    x = 31,947,335.70

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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.