Home / 15,105,316.84-20,845,576.26-8,229,796.84

Finding the Fourth Proportional to 15,105,316.84, 20,845,576.26 and 8,229,796.84

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Solution

The fourth proportional to 15,105,316.84, 20,845,576.26 and 8,229,796.84 is: 11,357,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105,316.84 : 20,845,576.26 = 8,229,796.84 : x
  2. Step 2: Convert to fraction form
    15,105,316.84/20,845,576.26 = 8,229,796.84/x
  3. Step 3: Cross multiply
    15,105,316.84x = 20,845,576.26 × 8,229,796.84
  4. Step 4: Simplify right side
    15,105,316.84x = 171,554,857,632,527.03
  5. Step 5: Solve for x
    x = 171,554,857,632,527.03/15,105,316.84
  6. Step 6: Final answer
    x = 11,357,249.86

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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.