Home / 13,369,976.40-20,022,257.19-12,076,035.42

Finding the Fourth Proportional to 13,369,976.40, 20,022,257.19 and 12,076,035.42

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Solution

The fourth proportional to 13,369,976.40, 20,022,257.19 and 12,076,035.42 is: 18,084,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,976.40 : 20,022,257.19 = 12,076,035.42 : x
  2. Step 2: Convert to fraction form
    13,369,976.40/20,022,257.19 = 12,076,035.42/x
  3. Step 3: Cross multiply
    13,369,976.40x = 20,022,257.19 × 12,076,035.42
  4. Step 4: Simplify right side
    13,369,976.40x = 241,789,487,014,789.69
  5. Step 5: Solve for x
    x = 241,789,487,014,789.69/13,369,976.40
  6. Step 6: Final answer
    x = 18,084,511.13

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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.