Home / 21,972,385.54-32,952,279.75-6,621,161.86

Finding the Fourth Proportional to 21,972,385.54, 32,952,279.75 and 6,621,161.86

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Solution

The fourth proportional to 21,972,385.54, 32,952,279.75 and 6,621,161.86 is: 9,929,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972,385.54 : 32,952,279.75 = 6,621,161.86 : x
  2. Step 2: Convert to fraction form
    21,972,385.54/32,952,279.75 = 6,621,161.86/x
  3. Step 3: Cross multiply
    21,972,385.54x = 32,952,279.75 × 6,621,161.86
  4. Step 4: Simplify right side
    21,972,385.54x = 218,182,377,880,750.34
  5. Step 5: Solve for x
    x = 218,182,377,880,750.34/21,972,385.54
  6. Step 6: Final answer
    x = 9,929,844.78

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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.