Home / 20,439,350.60-30,645,029.10-9,661,814.60

Finding the Fourth Proportional to 20,439,350.60, 30,645,029.10 and 9,661,814.60

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Solution

The fourth proportional to 20,439,350.60, 30,645,029.10 and 9,661,814.60 is: 14,486,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,350.60 : 30,645,029.10 = 9,661,814.60 : x
  2. Step 2: Convert to fraction form
    20,439,350.60/30,645,029.10 = 9,661,814.60/x
  3. Step 3: Cross multiply
    20,439,350.60x = 30,645,029.10 × 9,661,814.60
  4. Step 4: Simplify right side
    20,439,350.60x = 296,086,589,575,804.88
  5. Step 5: Solve for x
    x = 296,086,589,575,804.88/20,439,350.60
  6. Step 6: Final answer
    x = 14,486,105.52

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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.