Home / 22,276,921.60-33,383,500.80-12,672,006.40

Finding the Fourth Proportional to 22,276,921.60, 33,383,500.80 and 12,672,006.40

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Solution

The fourth proportional to 22,276,921.60, 33,383,500.80 and 12,672,006.40 is: 18,989,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276,921.60 : 33,383,500.80 = 12,672,006.40 : x
  2. Step 2: Convert to fraction form
    22,276,921.60/33,383,500.80 = 12,672,006.40/x
  3. Step 3: Cross multiply
    22,276,921.60x = 33,383,500.80 × 12,672,006.40
  4. Step 4: Simplify right side
    22,276,921.60x = 423,035,935,792,005.12
  5. Step 5: Solve for x
    x = 423,035,935,792,005.12/22,276,921.60
  6. Step 6: Final answer
    x = 18,989,874.07

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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.