Home / 12,006,811.20-18,009,890.10-3,370,983.60

Finding the Fourth Proportional to 12,006,811.20, 18,009,890.10 and 3,370,983.60

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Solution

The fourth proportional to 12,006,811.20, 18,009,890.10 and 3,370,983.60 is: 5,056,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006,811.20 : 18,009,890.10 = 3,370,983.60 : x
  2. Step 2: Convert to fraction form
    12,006,811.20/18,009,890.10 = 3,370,983.60/x
  3. Step 3: Cross multiply
    12,006,811.20x = 18,009,890.10 × 3,370,983.60
  4. Step 4: Simplify right side
    12,006,811.20x = 60,711,044,164,902.37
  5. Step 5: Solve for x
    x = 60,711,044,164,902.37/12,006,811.20
  6. Step 6: Final answer
    x = 5,056,383.68

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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.