Home / 8,815,828.64-13,218,604.96-3,418,173.28

Finding the Fourth Proportional to 8,815,828.64, 13,218,604.96 and 3,418,173.28

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Solution

The fourth proportional to 8,815,828.64, 13,218,604.96 and 3,418,173.28 is: 5,125,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,828.64 : 13,218,604.96 = 3,418,173.28 : x
  2. Step 2: Convert to fraction form
    8,815,828.64/13,218,604.96 = 3,418,173.28/x
  3. Step 3: Cross multiply
    8,815,828.64x = 13,218,604.96 × 3,418,173.28
  4. Step 4: Simplify right side
    8,815,828.64x = 45,183,482,273,147.47
  5. Step 5: Solve for x
    x = 45,183,482,273,147.47/8,815,828.64
  6. Step 6: Final answer
    x = 5,125,267.76

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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.