Home / 12,787,808.60-19,181,270.64-3,203,269.76

Finding the Fourth Proportional to 12,787,808.60, 19,181,270.64 and 3,203,269.76

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Solution

The fourth proportional to 12,787,808.60, 19,181,270.64 and 3,203,269.76 is: 4,804,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,808.60 : 19,181,270.64 = 3,203,269.76 : x
  2. Step 2: Convert to fraction form
    12,787,808.60/19,181,270.64 = 3,203,269.76/x
  3. Step 3: Cross multiply
    12,787,808.60x = 19,181,270.64 × 3,203,269.76
  4. Step 4: Simplify right side
    12,787,808.60x = 61,442,784,199,487.84
  5. Step 5: Solve for x
    x = 61,442,784,199,487.84/12,787,808.60
  6. Step 6: Final answer
    x = 4,804,793.86

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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.