Home / 20,601,564-30,907,857.24-7,138,392

Finding the Fourth Proportional to 20,601,564, 30,907,857.24 and 7,138,392

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Solution

The fourth proportional to 20,601,564, 30,907,857.24 and 7,138,392 is: 10,709,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601,564 : 30,907,857.24 = 7,138,392 : x
  2. Step 2: Convert to fraction form
    20,601,564/30,907,857.24 = 7,138,392/x
  3. Step 3: Cross multiply
    20,601,564x = 30,907,857.24 × 7,138,392
  4. Step 4: Simplify right side
    20,601,564x = 220,632,400,859,158.06
  5. Step 5: Solve for x
    x = 220,632,400,859,158.06/20,601,564
  6. Step 6: Final answer
    x = 10,709,497.63

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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.