Home / 7,127,520.24-9,836,185.38-4,029,977.06

Finding the Fourth Proportional to 7,127,520.24, 9,836,185.38 and 4,029,977.06

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Solution

The fourth proportional to 7,127,520.24, 9,836,185.38 and 4,029,977.06 is: 5,561,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,520.24 : 9,836,185.38 = 4,029,977.06 : x
  2. Step 2: Convert to fraction form
    7,127,520.24/9,836,185.38 = 4,029,977.06/x
  3. Step 3: Cross multiply
    7,127,520.24x = 9,836,185.38 × 4,029,977.06
  4. Step 4: Simplify right side
    7,127,520.24x = 39,639,601,390,126.46
  5. Step 5: Solve for x
    x = 39,639,601,390,126.46/7,127,520.24
  6. Step 6: Final answer
    x = 5,561,485.63

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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.