Home / 20,447,905.20-30,645,808.20-10,867,873.20

Finding the Fourth Proportional to 20,447,905.20, 30,645,808.20 and 10,867,873.20

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Solution

The fourth proportional to 20,447,905.20, 30,645,808.20 and 10,867,873.20 is: 16,287,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,905.20 : 30,645,808.20 = 10,867,873.20 : x
  2. Step 2: Convert to fraction form
    20,447,905.20/30,645,808.20 = 10,867,873.20/x
  3. Step 3: Cross multiply
    20,447,905.20x = 30,645,808.20 × 10,867,873.20
  4. Step 4: Simplify right side
    20,447,905.20x = 333,054,757,629,120.19
  5. Step 5: Solve for x
    x = 333,054,757,629,120.19/20,447,905.20
  6. Step 6: Final answer
    x = 16,287,964.68

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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.