Home / 7,422,155.82-11,133,527.76-3,530,678.22

Finding the Fourth Proportional to 7,422,155.82, 11,133,527.76 and 3,530,678.22

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Solution

The fourth proportional to 7,422,155.82, 11,133,527.76 and 3,530,678.22 is: 5,296,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,155.82 : 11,133,527.76 = 3,530,678.22 : x
  2. Step 2: Convert to fraction form
    7,422,155.82/11,133,527.76 = 3,530,678.22/x
  3. Step 3: Cross multiply
    7,422,155.82x = 11,133,527.76 × 3,530,678.22
  4. Step 4: Simplify right side
    7,422,155.82x = 39,308,903,973,997.39
  5. Step 5: Solve for x
    x = 39,308,903,973,997.39/7,422,155.82
  6. Step 6: Final answer
    x = 5,296,157.20

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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.