Home / 21,025,176.68-29,014,738.94-11,857,799.72

Finding the Fourth Proportional to 21,025,176.68, 29,014,738.94 and 11,857,799.72

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Solution

The fourth proportional to 21,025,176.68, 29,014,738.94 and 11,857,799.72 is: 16,363,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,176.68 : 29,014,738.94 = 11,857,799.72 : x
  2. Step 2: Convert to fraction form
    21,025,176.68/29,014,738.94 = 11,857,799.72/x
  3. Step 3: Cross multiply
    21,025,176.68x = 29,014,738.94 × 11,857,799.72
  4. Step 4: Simplify right side
    21,025,176.68x = 344,050,963,278,605.12
  5. Step 5: Solve for x
    x = 344,050,963,278,605.12/21,025,176.68
  6. Step 6: Final answer
    x = 16,363,760.86

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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.