Home / 20,394,067.80-30,591,101.70-9,022,445.40

Finding the Fourth Proportional to 20,394,067.80, 30,591,101.70 and 9,022,445.40

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Solution

The fourth proportional to 20,394,067.80, 30,591,101.70 and 9,022,445.40 is: 13,533,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,067.80 : 30,591,101.70 = 9,022,445.40 : x
  2. Step 2: Convert to fraction form
    20,394,067.80/30,591,101.70 = 9,022,445.40/x
  3. Step 3: Cross multiply
    20,394,067.80x = 30,591,101.70 × 9,022,445.40
  4. Step 4: Simplify right side
    20,394,067.80x = 276,006,544,814,097.19
  5. Step 5: Solve for x
    x = 276,006,544,814,097.19/20,394,067.80
  6. Step 6: Final answer
    x = 13,533,668.10

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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.