Home / 21,104,905.96-31,659,654.30-6,724,593.64

Finding the Fourth Proportional to 21,104,905.96, 31,659,654.30 and 6,724,593.64

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Solution

The fourth proportional to 21,104,905.96, 31,659,654.30 and 6,724,593.64 is: 10,087,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,905.96 : 31,659,654.30 = 6,724,593.64 : x
  2. Step 2: Convert to fraction form
    21,104,905.96/31,659,654.30 = 6,724,593.64/x
  3. Step 3: Cross multiply
    21,104,905.96x = 31,659,654.30 × 6,724,593.64
  4. Step 4: Simplify right side
    21,104,905.96x = 212,898,309,950,378.66
  5. Step 5: Solve for x
    x = 212,898,309,950,378.66/21,104,905.96
  6. Step 6: Final answer
    x = 10,087,621.82

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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.