Home / 20,447,139.20-30,644,659.20-10,867,107.20

Finding the Fourth Proportional to 20,447,139.20, 30,644,659.20 and 10,867,107.20

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Solution

The fourth proportional to 20,447,139.20, 30,644,659.20 and 10,867,107.20 is: 16,286,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,139.20 : 30,644,659.20 = 10,867,107.20 : x
  2. Step 2: Convert to fraction form
    20,447,139.20/30,644,659.20 = 10,867,107.20/x
  3. Step 3: Cross multiply
    20,447,139.20x = 30,644,659.20 × 10,867,107.20
  4. Step 4: Simplify right side
    20,447,139.20x = 333,018,796,633,866.19
  5. Step 5: Solve for x
    x = 333,018,796,633,866.19/20,447,139.20
  6. Step 6: Final answer
    x = 16,286,816.13

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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.