Home / 13,515,898.28-20,280,508.54-6,327,918.76

Finding the Fourth Proportional to 13,515,898.28, 20,280,508.54 and 6,327,918.76

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Solution

The fourth proportional to 13,515,898.28, 20,280,508.54 and 6,327,918.76 is: 9,494,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,898.28 : 20,280,508.54 = 6,327,918.76 : x
  2. Step 2: Convert to fraction form
    13,515,898.28/20,280,508.54 = 6,327,918.76/x
  3. Step 3: Cross multiply
    13,515,898.28x = 20,280,508.54 × 6,327,918.76
  4. Step 4: Simplify right side
    13,515,898.28x = 128,333,410,452,606.20
  5. Step 5: Solve for x
    x = 128,333,410,452,606.20/13,515,898.28
  6. Step 6: Final answer
    x = 9,494,996.77

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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.