Home / 7,167,994.45-9,891,827.98-3,948,730.45

Finding the Fourth Proportional to 7,167,994.45, 9,891,827.98 and 3,948,730.45

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Solution

The fourth proportional to 7,167,994.45, 9,891,827.98 and 3,948,730.45 is: 5,449,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,994.45 : 9,891,827.98 = 3,948,730.45 : x
  2. Step 2: Convert to fraction form
    7,167,994.45/9,891,827.98 = 3,948,730.45/x
  3. Step 3: Cross multiply
    7,167,994.45x = 9,891,827.98 × 3,948,730.45
  4. Step 4: Simplify right side
    7,167,994.45x = 39,060,162,350,787.99
  5. Step 5: Solve for x
    x = 39,060,162,350,787.99/7,167,994.45
  6. Step 6: Final answer
    x = 5,449,245.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.