Home / 8,809,087.20-13,209,694.20-3,415,945.20

Finding the Fourth Proportional to 8,809,087.20, 13,209,694.20 and 3,415,945.20

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Solution

The fourth proportional to 8,809,087.20, 13,209,694.20 and 3,415,945.20 is: 5,122,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,087.20 : 13,209,694.20 = 3,415,945.20 : x
  2. Step 2: Convert to fraction form
    8,809,087.20/13,209,694.20 = 3,415,945.20/x
  3. Step 3: Cross multiply
    8,809,087.20x = 13,209,694.20 × 3,415,945.20
  4. Step 4: Simplify right side
    8,809,087.20x = 45,123,591,495,957.84
  5. Step 5: Solve for x
    x = 45,123,591,495,957.84/8,809,087.20
  6. Step 6: Final answer
    x = 5,122,391.28

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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.