Home / 21,810,286.84-30,096,967.62-12,020,701.36

Finding the Fourth Proportional to 21,810,286.84, 30,096,967.62 and 12,020,701.36

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Solution

The fourth proportional to 21,810,286.84, 30,096,967.62 and 12,020,701.36 is: 16,587,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,286.84 : 30,096,967.62 = 12,020,701.36 : x
  2. Step 2: Convert to fraction form
    21,810,286.84/30,096,967.62 = 12,020,701.36/x
  3. Step 3: Cross multiply
    21,810,286.84x = 30,096,967.62 × 12,020,701.36
  4. Step 4: Simplify right side
    21,810,286.84x = 361,786,659,601,609.94
  5. Step 5: Solve for x
    x = 361,786,659,601,609.94/21,810,286.84
  6. Step 6: Final answer
    x = 16,587,890.95

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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.