Home / 14,127,628.56-21,194,601.78-5,152,180.56

Finding the Fourth Proportional to 14,127,628.56, 21,194,601.78 and 5,152,180.56

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Solution

The fourth proportional to 14,127,628.56, 21,194,601.78 and 5,152,180.56 is: 7,729,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,628.56 : 21,194,601.78 = 5,152,180.56 : x
  2. Step 2: Convert to fraction form
    14,127,628.56/21,194,601.78 = 5,152,180.56/x
  3. Step 3: Cross multiply
    14,127,628.56x = 21,194,601.78 × 5,152,180.56
  4. Step 4: Simplify right side
    14,127,628.56x = 109,198,415,267,857.39
  5. Step 5: Solve for x
    x = 109,198,415,267,857.39/14,127,628.56
  6. Step 6: Final answer
    x = 7,729,422.87

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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.