Home / 20,138,611.80-30,207,917.70-6,675,439.80

Finding the Fourth Proportional to 20,138,611.80, 30,207,917.70 and 6,675,439.80

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Solution

The fourth proportional to 20,138,611.80, 30,207,917.70 and 6,675,439.80 is: 10,013,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,611.80 : 30,207,917.70 = 6,675,439.80 : x
  2. Step 2: Convert to fraction form
    20,138,611.80/30,207,917.70 = 6,675,439.80/x
  3. Step 3: Cross multiply
    20,138,611.80x = 30,207,917.70 × 6,675,439.80
  4. Step 4: Simplify right side
    20,138,611.80x = 201,651,136,089,704.44
  5. Step 5: Solve for x
    x = 201,651,136,089,704.44/20,138,611.80
  6. Step 6: Final answer
    x = 10,013,159.70

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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.