Home / 20,343,086.10-30,505,006.35-11,826,033.30

Finding the Fourth Proportional to 20,343,086.10, 30,505,006.35 and 11,826,033.30

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Solution

The fourth proportional to 20,343,086.10, 30,505,006.35 and 11,826,033.30 is: 17,733,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,086.10 : 30,505,006.35 = 11,826,033.30 : x
  2. Step 2: Convert to fraction form
    20,343,086.10/30,505,006.35 = 11,826,033.30/x
  3. Step 3: Cross multiply
    20,343,086.10x = 30,505,006.35 × 11,826,033.30
  4. Step 4: Simplify right side
    20,343,086.10x = 360,753,220,911,811.50
  5. Step 5: Solve for x
    x = 360,753,220,911,811.50/20,343,086.10
  6. Step 6: Final answer
    x = 17,733,455.93

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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.