Home / 20,142,265.71-27,796,330.68-10,974,908.46

Finding the Fourth Proportional to 20,142,265.71, 27,796,330.68 and 10,974,908.46

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Solution

The fourth proportional to 20,142,265.71, 27,796,330.68 and 10,974,908.46 is: 15,145,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,265.71 : 27,796,330.68 = 10,974,908.46 : x
  2. Step 2: Convert to fraction form
    20,142,265.71/27,796,330.68 = 10,974,908.46/x
  3. Step 3: Cross multiply
    20,142,265.71x = 27,796,330.68 × 10,974,908.46
  4. Step 4: Simplify right side
    20,142,265.71x = 305,062,184,736,889.56
  5. Step 5: Solve for x
    x = 305,062,184,736,889.56/20,142,265.71
  6. Step 6: Final answer
    x = 15,145,375.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.