Home / 22,782,971.12-31,440,500.13-12,469,694.21

Finding the Fourth Proportional to 22,782,971.12, 31,440,500.13 and 12,469,694.21

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Solution

The fourth proportional to 22,782,971.12, 31,440,500.13 and 12,469,694.21 is: 17,208,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782,971.12 : 31,440,500.13 = 12,469,694.21 : x
  2. Step 2: Convert to fraction form
    22,782,971.12/31,440,500.13 = 12,469,694.21/x
  3. Step 3: Cross multiply
    22,782,971.12x = 31,440,500.13 × 12,469,694.21
  4. Step 4: Simplify right side
    22,782,971.12x = 392,053,422,438,026
  5. Step 5: Solve for x
    x = 392,053,422,438,026/22,782,971.12
  6. Step 6: Final answer
    x = 17,208,178.01

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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.