Home / 13,515,897.28-20,280,507.04-6,327,917.76

Finding the Fourth Proportional to 13,515,897.28, 20,280,507.04 and 6,327,917.76

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Solution

The fourth proportional to 13,515,897.28, 20,280,507.04 and 6,327,917.76 is: 9,494,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,897.28 : 20,280,507.04 = 6,327,917.76 : x
  2. Step 2: Convert to fraction form
    13,515,897.28/20,280,507.04 = 6,327,917.76/x
  3. Step 3: Cross multiply
    13,515,897.28x = 20,280,507.04 × 6,327,917.76
  4. Step 4: Simplify right side
    13,515,897.28x = 128,333,380,680,221.02
  5. Step 5: Solve for x
    x = 128,333,380,680,221.02/13,515,897.28
  6. Step 6: Final answer
    x = 9,494,995.27

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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.