Home / 20,447,134.20-30,644,651.70-10,867,102.20

Finding the Fourth Proportional to 20,447,134.20, 30,644,651.70 and 10,867,102.20

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Solution

The fourth proportional to 20,447,134.20, 30,644,651.70 and 10,867,102.20 is: 16,286,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,134.20 : 30,644,651.70 = 10,867,102.20 : x
  2. Step 2: Convert to fraction form
    20,447,134.20/30,644,651.70 = 10,867,102.20/x
  3. Step 3: Cross multiply
    20,447,134.20x = 30,644,651.70 × 10,867,102.20
  4. Step 4: Simplify right side
    20,447,134.20x = 333,018,561,907,303.69
  5. Step 5: Solve for x
    x = 333,018,561,907,303.69/20,447,134.20
  6. Step 6: Final answer
    x = 16,286,808.64

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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.