Home / 22,493,999.80-31,041,663.90-12,180,722.20

Finding the Fourth Proportional to 22,493,999.80, 31,041,663.90 and 12,180,722.20

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Solution

The fourth proportional to 22,493,999.80, 31,041,663.90 and 12,180,722.20 is: 16,809,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493,999.80 : 31,041,663.90 = 12,180,722.20 : x
  2. Step 2: Convert to fraction form
    22,493,999.80/31,041,663.90 = 12,180,722.20/x
  3. Step 3: Cross multiply
    22,493,999.80x = 31,041,663.90 × 12,180,722.20
  4. Step 4: Simplify right side
    22,493,999.80x = 378,109,884,591,668.56
  5. Step 5: Solve for x
    x = 378,109,884,591,668.56/22,493,999.80
  6. Step 6: Final answer
    x = 16,809,366.41

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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.