Home / 7,164,817.19-9,887,349.30-4,067,313.52

Finding the Fourth Proportional to 7,164,817.19, 9,887,349.30 and 4,067,313.52

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Solution

The fourth proportional to 7,164,817.19, 9,887,349.30 and 4,067,313.52 is: 5,612,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,817.19 : 9,887,349.30 = 4,067,313.52 : x
  2. Step 2: Convert to fraction form
    7,164,817.19/9,887,349.30 = 4,067,313.52/x
  3. Step 3: Cross multiply
    7,164,817.19x = 9,887,349.30 × 4,067,313.52
  4. Step 4: Simplify right side
    7,164,817.19x = 40,214,949,435,415.80
  5. Step 5: Solve for x
    x = 40,214,949,435,415.80/7,164,817.19
  6. Step 6: Final answer
    x = 5,612,836.78

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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.