Home / 12,109,360.28-18,164,040.82-4,921,455.17

Finding the Fourth Proportional to 12,109,360.28, 18,164,040.82 and 4,921,455.17

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Solution

The fourth proportional to 12,109,360.28, 18,164,040.82 and 4,921,455.17 is: 7,382,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,360.28 : 18,164,040.82 = 4,921,455.17 : x
  2. Step 2: Convert to fraction form
    12,109,360.28/18,164,040.82 = 4,921,455.17/x
  3. Step 3: Cross multiply
    12,109,360.28x = 18,164,040.82 × 4,921,455.17
  4. Step 4: Simplify right side
    12,109,360.28x = 89,393,512,634,786.50
  5. Step 5: Solve for x
    x = 89,393,512,634,786.50/12,109,360.28
  6. Step 6: Final answer
    x = 7,382,182.92

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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.