Home / 20,002,007.80-30,003,011.70-13,544,999.65

Finding the Fourth Proportional to 20,002,007.80, 30,003,011.70 and 13,544,999.65

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Solution

The fourth proportional to 20,002,007.80, 30,003,011.70 and 13,544,999.65 is: 20,317,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,007.80 : 30,003,011.70 = 13,544,999.65 : x
  2. Step 2: Convert to fraction form
    20,002,007.80/30,003,011.70 = 13,544,999.65/x
  3. Step 3: Cross multiply
    20,002,007.80x = 30,003,011.70 × 13,544,999.65
  4. Step 4: Simplify right side
    20,002,007.80x = 406,390,782,975,445.88
  5. Step 5: Solve for x
    x = 406,390,782,975,445.88/20,002,007.80
  6. Step 6: Final answer
    x = 20,317,499.48

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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.