Home / 7,130,186.20-9,840,914.70-4,231,175.54

Finding the Fourth Proportional to 7,130,186.20, 9,840,914.70 and 4,231,175.54

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Solution

The fourth proportional to 7,130,186.20, 9,840,914.70 and 4,231,175.54 is: 5,839,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,186.20 : 9,840,914.70 = 4,231,175.54 : x
  2. Step 2: Convert to fraction form
    7,130,186.20/9,840,914.70 = 4,231,175.54/x
  3. Step 3: Cross multiply
    7,130,186.20x = 9,840,914.70 × 4,231,175.54
  4. Step 4: Simplify right side
    7,130,186.20x = 41,638,637,594,468.73
  5. Step 5: Solve for x
    x = 41,638,637,594,468.73/7,130,186.20
  6. Step 6: Final answer
    x = 5,839,768.62

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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.