Home / 21,848,679.37-30,161,381.20-12,679,550.65

Finding the Fourth Proportional to 21,848,679.37, 30,161,381.20 and 12,679,550.65

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Solution

The fourth proportional to 21,848,679.37, 30,161,381.20 and 12,679,550.65 is: 17,503,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,679.37 : 30,161,381.20 = 12,679,550.65 : x
  2. Step 2: Convert to fraction form
    21,848,679.37/30,161,381.20 = 12,679,550.65/x
  3. Step 3: Cross multiply
    21,848,679.37x = 30,161,381.20 × 12,679,550.65
  4. Step 4: Simplify right side
    21,848,679.37x = 382,432,760,599,357.81
  5. Step 5: Solve for x
    x = 382,432,760,599,357.81/21,848,679.37
  6. Step 6: Final answer
    x = 17,503,701.44

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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.