Home / 6,921,260.85-10,381,891.28-3,326,160.90

Finding the Fourth Proportional to 6,921,260.85, 10,381,891.28 and 3,326,160.90

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Solution

The fourth proportional to 6,921,260.85, 10,381,891.28 and 3,326,160.90 is: 4,989,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,260.85 : 10,381,891.28 = 3,326,160.90 : x
  2. Step 2: Convert to fraction form
    6,921,260.85/10,381,891.28 = 3,326,160.90/x
  3. Step 3: Cross multiply
    6,921,260.85x = 10,381,891.28 × 3,326,160.90
  4. Step 4: Simplify right side
    6,921,260.85x = 34,531,840,826,956.15
  5. Step 5: Solve for x
    x = 34,531,840,826,956.15/6,921,260.85
  6. Step 6: Final answer
    x = 4,989,241.35

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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.