Home / 20,220,404.10-30,330,606.15-13,725,888.90

Finding the Fourth Proportional to 20,220,404.10, 30,330,606.15 and 13,725,888.90

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Solution

The fourth proportional to 20,220,404.10, 30,330,606.15 and 13,725,888.90 is: 20,588,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,404.10 : 30,330,606.15 = 13,725,888.90 : x
  2. Step 2: Convert to fraction form
    20,220,404.10/30,330,606.15 = 13,725,888.90/x
  3. Step 3: Cross multiply
    20,220,404.10x = 30,330,606.15 × 13,725,888.90
  4. Step 4: Simplify right side
    20,220,404.10x = 416,314,530,284,556.75
  5. Step 5: Solve for x
    x = 416,314,530,284,556.75/20,220,404.10
  6. Step 6: Final answer
    x = 20,588,833.35

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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.