Home / 9,659,189.89-13,331,477.64-5,529,221.02

Finding the Fourth Proportional to 9,659,189.89, 13,331,477.64 and 5,529,221.02

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Solution

The fourth proportional to 9,659,189.89, 13,331,477.64 and 5,529,221.02 is: 7,631,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,189.89 : 13,331,477.64 = 5,529,221.02 : x
  2. Step 2: Convert to fraction form
    9,659,189.89/13,331,477.64 = 5,529,221.02/x
  3. Step 3: Cross multiply
    9,659,189.89x = 13,331,477.64 × 5,529,221.02
  4. Step 4: Simplify right side
    9,659,189.89x = 73,712,686,394,747.98
  5. Step 5: Solve for x
    x = 73,712,686,394,747.98/9,659,189.89
  6. Step 6: Final answer
    x = 7,631,352.86

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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.