Home / 7,102,179.72-9,801,008.37-3,838,983.75

Finding the Fourth Proportional to 7,102,179.72, 9,801,008.37 and 3,838,983.75

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Solution

The fourth proportional to 7,102,179.72, 9,801,008.37 and 3,838,983.75 is: 5,297,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,179.72 : 9,801,008.37 = 3,838,983.75 : x
  2. Step 2: Convert to fraction form
    7,102,179.72/9,801,008.37 = 3,838,983.75/x
  3. Step 3: Cross multiply
    7,102,179.72x = 9,801,008.37 × 3,838,983.75
  4. Step 4: Simplify right side
    7,102,179.72x = 37,625,911,866,043.98
  5. Step 5: Solve for x
    x = 37,625,911,866,043.98/7,102,179.72
  6. Step 6: Final answer
    x = 5,297,797.77

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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.