Home / 7,252,056.36-10,007,143.38-3,988,819.08

Finding the Fourth Proportional to 7,252,056.36, 10,007,143.38 and 3,988,819.08

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Solution

The fourth proportional to 7,252,056.36, 10,007,143.38 and 3,988,819.08 is: 5,504,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252,056.36 : 10,007,143.38 = 3,988,819.08 : x
  2. Step 2: Convert to fraction form
    7,252,056.36/10,007,143.38 = 3,988,819.08/x
  3. Step 3: Cross multiply
    7,252,056.36x = 10,007,143.38 × 3,988,819.08
  4. Step 4: Simplify right side
    7,252,056.36x = 39,916,684,450,439.70
  5. Step 5: Solve for x
    x = 39,916,684,450,439.70/7,252,056.36
  6. Step 6: Final answer
    x = 5,504,188.39

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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.