Home / 20,695,553.10-31,043,329.65-20,270,400.30

Finding the Fourth Proportional to 20,695,553.10, 31,043,329.65 and 20,270,400.30

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Solution

The fourth proportional to 20,695,553.10, 31,043,329.65 and 20,270,400.30 is: 30,405,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,553.10 : 31,043,329.65 = 20,270,400.30 : x
  2. Step 2: Convert to fraction form
    20,695,553.10/31,043,329.65 = 20,270,400.30/x
  3. Step 3: Cross multiply
    20,695,553.10x = 31,043,329.65 × 20,270,400.30
  4. Step 4: Simplify right side
    20,695,553.10x = 629,260,718,650,358.88
  5. Step 5: Solve for x
    x = 629,260,718,650,358.88/20,695,553.10
  6. Step 6: Final answer
    x = 30,405,600.45

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Similar ratio
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1.5x scale

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.