Home / 20,029,805.52-30,040,504-5,649,510.30

Finding the Fourth Proportional to 20,029,805.52, 30,040,504 and 5,649,510.30

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Solution

The fourth proportional to 20,029,805.52, 30,040,504 and 5,649,510.30 is: 8,473,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,805.52 : 30,040,504 = 5,649,510.30 : x
  2. Step 2: Convert to fraction form
    20,029,805.52/30,040,504 = 5,649,510.30/x
  3. Step 3: Cross multiply
    20,029,805.52x = 30,040,504 × 5,649,510.30
  4. Step 4: Simplify right side
    20,029,805.52x = 169,714,136,765,191.19
  5. Step 5: Solve for x
    x = 169,714,136,765,191.19/20,029,805.52
  6. Step 6: Final answer
    x = 8,473,079.61

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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.