Home / 20,080,505.70-30,120,758.55-13,703,213.70

Finding the Fourth Proportional to 20,080,505.70, 30,120,758.55 and 13,703,213.70

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Solution

The fourth proportional to 20,080,505.70, 30,120,758.55 and 13,703,213.70 is: 20,554,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,505.70 : 30,120,758.55 = 13,703,213.70 : x
  2. Step 2: Convert to fraction form
    20,080,505.70/30,120,758.55 = 13,703,213.70/x
  3. Step 3: Cross multiply
    20,080,505.70x = 30,120,758.55 × 13,703,213.70
  4. Step 4: Simplify right side
    20,080,505.70x = 412,751,191,216,752.12
  5. Step 5: Solve for x
    x = 412,751,191,216,752.12/20,080,505.70
  6. Step 6: Final answer
    x = 20,554,820.55

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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.