Home / 22,493,998.80-31,041,662.52-12,180,721.20

Finding the Fourth Proportional to 22,493,998.80, 31,041,662.52 and 12,180,721.20

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Solution

The fourth proportional to 22,493,998.80, 31,041,662.52 and 12,180,721.20 is: 16,809,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493,998.80 : 31,041,662.52 = 12,180,721.20 : x
  2. Step 2: Convert to fraction form
    22,493,998.80/31,041,662.52 = 12,180,721.20/x
  3. Step 3: Cross multiply
    22,493,998.80x = 31,041,662.52 × 12,180,721.20
  4. Step 4: Simplify right side
    22,493,998.80x = 378,109,836,740,609.38
  5. Step 5: Solve for x
    x = 378,109,836,740,609.38/22,493,998.80
  6. Step 6: Final answer
    x = 16,809,365.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.