Home / 21,791,872.32-30,072,992.76-12,002,538.48

Finding the Fourth Proportional to 21,791,872.32, 30,072,992.76 and 12,002,538.48

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Solution

The fourth proportional to 21,791,872.32, 30,072,992.76 and 12,002,538.48 is: 16,563,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,872.32 : 30,072,992.76 = 12,002,538.48 : x
  2. Step 2: Convert to fraction form
    21,791,872.32/30,072,992.76 = 12,002,538.48/x
  3. Step 3: Cross multiply
    21,791,872.32x = 30,072,992.76 × 12,002,538.48
  4. Step 4: Simplify right side
    21,791,872.32x = 360,952,252,810,661.44
  5. Step 5: Solve for x
    x = 360,952,252,810,661.44/21,791,872.32
  6. Step 6: Final answer
    x = 16,563,618.19

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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.