Home / 15,157,576.50-20,917,474.03-8,188,253.69

Finding the Fourth Proportional to 15,157,576.50, 20,917,474.03 and 8,188,253.69

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Solution

The fourth proportional to 15,157,576.50, 20,917,474.03 and 8,188,253.69 is: 11,299,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,576.50 : 20,917,474.03 = 8,188,253.69 : x
  2. Step 2: Convert to fraction form
    15,157,576.50/20,917,474.03 = 8,188,253.69/x
  3. Step 3: Cross multiply
    15,157,576.50x = 20,917,474.03 × 8,188,253.69
  4. Step 4: Simplify right side
    15,157,576.50x = 171,277,583,817,274.59
  5. Step 5: Solve for x
    x = 171,277,583,817,274.59/15,157,576.50
  6. Step 6: Final answer
    x = 11,299,800.06

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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.