Home / 20,120,609.80-30,180,914.70-14,493,896.20

Finding the Fourth Proportional to 20,120,609.80, 30,180,914.70 and 14,493,896.20

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Solution

The fourth proportional to 20,120,609.80, 30,180,914.70 and 14,493,896.20 is: 21,740,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120,609.80 : 30,180,914.70 = 14,493,896.20 : x
  2. Step 2: Convert to fraction form
    20,120,609.80/30,180,914.70 = 14,493,896.20/x
  3. Step 3: Cross multiply
    20,120,609.80x = 30,180,914.70 × 14,493,896.20
  4. Step 4: Simplify right side
    20,120,609.80x = 437,439,044,882,854.12
  5. Step 5: Solve for x
    x = 437,439,044,882,854.12/20,120,609.80
  6. Step 6: Final answer
    x = 21,740,844.30

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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.