Home / 20,486,053.60-30,729,080.40-19,541,269.60

Finding the Fourth Proportional to 20,486,053.60, 30,729,080.40 and 19,541,269.60

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Solution

The fourth proportional to 20,486,053.60, 30,729,080.40 and 19,541,269.60 is: 29,311,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486,053.60 : 30,729,080.40 = 19,541,269.60 : x
  2. Step 2: Convert to fraction form
    20,486,053.60/30,729,080.40 = 19,541,269.60/x
  3. Step 3: Cross multiply
    20,486,053.60x = 30,729,080.40 × 19,541,269.60
  4. Step 4: Simplify right side
    20,486,053.60x = 600,485,244,656,475.88
  5. Step 5: Solve for x
    x = 600,485,244,656,475.88/20,486,053.60
  6. Step 6: Final answer
    x = 29,311,904.40

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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.