Home / 20,215,923.95-27,911,441.33-11,958,638.91

Finding the Fourth Proportional to 20,215,923.95, 27,911,441.33 and 11,958,638.91

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Solution

The fourth proportional to 20,215,923.95, 27,911,441.33 and 11,958,638.91 is: 16,510,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,923.95 : 27,911,441.33 = 11,958,638.91 : x
  2. Step 2: Convert to fraction form
    20,215,923.95/27,911,441.33 = 11,958,638.91/x
  3. Step 3: Cross multiply
    20,215,923.95x = 27,911,441.33 × 11,958,638.91
  4. Step 4: Simplify right side
    20,215,923.95x = 333,782,848,213,459.50
  5. Step 5: Solve for x
    x = 333,782,848,213,459.50/20,215,923.95
  6. Step 6: Final answer
    x = 16,510,887.61

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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.