Home / 21,672,318.93-29,907,572.12-11,882,738.91

Finding the Fourth Proportional to 21,672,318.93, 29,907,572.12 and 11,882,738.91

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Solution

The fourth proportional to 21,672,318.93, 29,907,572.12 and 11,882,738.91 is: 16,398,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672,318.93 : 29,907,572.12 = 11,882,738.91 : x
  2. Step 2: Convert to fraction form
    21,672,318.93/29,907,572.12 = 11,882,738.91/x
  3. Step 3: Cross multiply
    21,672,318.93x = 29,907,572.12 × 11,882,738.91
  4. Step 4: Simplify right side
    21,672,318.93x = 355,383,871,031,255.12
  5. Step 5: Solve for x
    x = 355,383,871,031,255.12/21,672,318.93
  6. Step 6: Final answer
    x = 16,398,054.69

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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.