Home / 6,787,142.16-9,366,172.20-3,731,329.68

Finding the Fourth Proportional to 6,787,142.16, 9,366,172.20 and 3,731,329.68

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Solution

The fourth proportional to 6,787,142.16, 9,366,172.20 and 3,731,329.68 is: 5,149,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,142.16 : 9,366,172.20 = 3,731,329.68 : x
  2. Step 2: Convert to fraction form
    6,787,142.16/9,366,172.20 = 3,731,329.68/x
  3. Step 3: Cross multiply
    6,787,142.16x = 9,366,172.20 × 3,731,329.68
  4. Step 4: Simplify right side
    6,787,142.16x = 34,948,276,317,850.89
  5. Step 5: Solve for x
    x = 34,948,276,317,850.89/6,787,142.16
  6. Step 6: Final answer
    x = 5,149,188.79

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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.