Home / 21,580,552.17-29,780,809.72-11,790,785.66

Finding the Fourth Proportional to 21,580,552.17, 29,780,809.72 and 11,790,785.66

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Solution

The fourth proportional to 21,580,552.17, 29,780,809.72 and 11,790,785.66 is: 16,271,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,552.17 : 29,780,809.72 = 11,790,785.66 : x
  2. Step 2: Convert to fraction form
    21,580,552.17/29,780,809.72 = 11,790,785.66/x
  3. Step 3: Cross multiply
    21,580,552.17x = 29,780,809.72 × 11,790,785.66
  4. Step 4: Simplify right side
    21,580,552.17x = 351,139,144,011,383.62
  5. Step 5: Solve for x
    x = 351,139,144,011,383.62/21,580,552.17
  6. Step 6: Final answer
    x = 16,271,091.73

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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.