Home / 13,771,270.60-20,656,905.90-6,212,998.60

Finding the Fourth Proportional to 13,771,270.60, 20,656,905.90 and 6,212,998.60

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Solution

The fourth proportional to 13,771,270.60, 20,656,905.90 and 6,212,998.60 is: 9,319,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,270.60 : 20,656,905.90 = 6,212,998.60 : x
  2. Step 2: Convert to fraction form
    13,771,270.60/20,656,905.90 = 6,212,998.60/x
  3. Step 3: Cross multiply
    13,771,270.60x = 20,656,905.90 × 6,212,998.60
  4. Step 4: Simplify right side
    13,771,270.60x = 128,341,327,437,031.72
  5. Step 5: Solve for x
    x = 128,341,327,437,031.72/13,771,270.60
  6. Step 6: Final answer
    x = 9,319,497.90

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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.