Home / 7,130,199.20-9,840,932.64-4,231,188.56

Finding the Fourth Proportional to 7,130,199.20, 9,840,932.64 and 4,231,188.56

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Solution

The fourth proportional to 7,130,199.20, 9,840,932.64 and 4,231,188.56 is: 5,839,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,199.20 : 9,840,932.64 = 4,231,188.56 : x
  2. Step 2: Convert to fraction form
    7,130,199.20/9,840,932.64 = 4,231,188.56/x
  3. Step 3: Cross multiply
    7,130,199.20x = 9,840,932.64 × 4,231,188.56
  4. Step 4: Simplify right side
    7,130,199.20x = 41,638,841,606,098.59
  5. Step 5: Solve for x
    x = 41,638,841,606,098.59/7,130,199.20
  6. Step 6: Final answer
    x = 5,839,786.58

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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.