Home / 11,721,169.60-17,587,749.84-5,580,090.88

Finding the Fourth Proportional to 11,721,169.60, 17,587,749.84 and 5,580,090.88

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Solution

The fourth proportional to 11,721,169.60, 17,587,749.84 and 5,580,090.88 is: 8,372,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,169.60 : 17,587,749.84 = 5,580,090.88 : x
  2. Step 2: Convert to fraction form
    11,721,169.60/17,587,749.84 = 5,580,090.88/x
  3. Step 3: Cross multiply
    11,721,169.60x = 17,587,749.84 × 5,580,090.88
  4. Step 4: Simplify right side
    11,721,169.60x = 98,141,242,481,905.45
  5. Step 5: Solve for x
    x = 98,141,242,481,905.45/11,721,169.60
  6. Step 6: Final answer
    x = 8,372,990.57

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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.