Home / 20,160,948.80-30,222,069.60-6,690,843.20

Finding the Fourth Proportional to 20,160,948.80, 30,222,069.60 and 6,690,843.20

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Solution

The fourth proportional to 20,160,948.80, 30,222,069.60 and 6,690,843.20 is: 10,029,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,948.80 : 30,222,069.60 = 6,690,843.20 : x
  2. Step 2: Convert to fraction form
    20,160,948.80/30,222,069.60 = 6,690,843.20/x
  3. Step 3: Cross multiply
    20,160,948.80x = 30,222,069.60 × 6,690,843.20
  4. Step 4: Simplify right side
    20,160,948.80x = 202,211,128,873,086.75
  5. Step 5: Solve for x
    x = 202,211,128,873,086.75/20,160,948.80
  6. Step 6: Final answer
    x = 10,029,841.89

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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.