Home / 7,422,156.90-11,133,529.38-3,530,679.30

Finding the Fourth Proportional to 7,422,156.90, 11,133,529.38 and 3,530,679.30

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Solution

The fourth proportional to 7,422,156.90, 11,133,529.38 and 3,530,679.30 is: 5,296,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,156.90 : 11,133,529.38 = 3,530,679.30 : x
  2. Step 2: Convert to fraction form
    7,422,156.90/11,133,529.38 = 3,530,679.30/x
  3. Step 3: Cross multiply
    7,422,156.90x = 11,133,529.38 × 3,530,679.30
  4. Step 4: Simplify right side
    7,422,156.90x = 39,308,921,717,907.84
  5. Step 5: Solve for x
    x = 39,308,921,717,907.84/7,422,156.90
  6. Step 6: Final answer
    x = 5,296,158.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.