Home / 7,015,155.78-9,682,532.74-4,115,478.18

Finding the Fourth Proportional to 7,015,155.78, 9,682,532.74 and 4,115,478.18

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Solution

The fourth proportional to 7,015,155.78, 9,682,532.74 and 4,115,478.18 is: 5,680,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,155.78 : 9,682,532.74 = 4,115,478.18 : x
  2. Step 2: Convert to fraction form
    7,015,155.78/9,682,532.74 = 4,115,478.18/x
  3. Step 3: Cross multiply
    7,015,155.78x = 9,682,532.74 × 4,115,478.18
  4. Step 4: Simplify right side
    7,015,155.78x = 39,848,252,218,605.62
  5. Step 5: Solve for x
    x = 39,848,252,218,605.62/7,015,155.78
  6. Step 6: Final answer
    x = 5,680,308.96

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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.