Home / 14,247,619.20-21,385,425.60-7,067,260.80

Finding the Fourth Proportional to 14,247,619.20, 21,385,425.60 and 7,067,260.80

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Solution

The fourth proportional to 14,247,619.20, 21,385,425.60 and 7,067,260.80 is: 10,607,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247,619.20 : 21,385,425.60 = 7,067,260.80 : x
  2. Step 2: Convert to fraction form
    14,247,619.20/21,385,425.60 = 7,067,260.80/x
  3. Step 3: Cross multiply
    14,247,619.20x = 21,385,425.60 × 7,067,260.80
  4. Step 4: Simplify right side
    14,247,619.20x = 151,136,380,034,196.50
  5. Step 5: Solve for x
    x = 151,136,380,034,196.50/14,247,619.20
  6. Step 6: Final answer
    x = 10,607,834.05

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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.