Home / 15,282,872.84-21,090,042.42-8,407,229.96

Finding the Fourth Proportional to 15,282,872.84, 21,090,042.42 and 8,407,229.96

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Solution

The fourth proportional to 15,282,872.84, 21,090,042.42 and 8,407,229.96 is: 11,601,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282,872.84 : 21,090,042.42 = 8,407,229.96 : x
  2. Step 2: Convert to fraction form
    15,282,872.84/21,090,042.42 = 8,407,229.96/x
  3. Step 3: Cross multiply
    15,282,872.84x = 21,090,042.42 × 8,407,229.96
  4. Step 4: Simplify right side
    15,282,872.84x = 177,308,836,491,094.94
  5. Step 5: Solve for x
    x = 177,308,836,491,094.94/15,282,872.84
  6. Step 6: Final answer
    x = 11,601,800.16

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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.