Home / 15,888,942.84-21,948,876.54-15,299,042.52

Finding the Fourth Proportional to 15,888,942.84, 21,948,876.54 and 15,299,042.52

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Solution

The fourth proportional to 15,888,942.84, 21,948,876.54 and 15,299,042.52 is: 21,133,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,942.84 : 21,948,876.54 = 15,299,042.52 : x
  2. Step 2: Convert to fraction form
    15,888,942.84/21,948,876.54 = 15,299,042.52/x
  3. Step 3: Cross multiply
    15,888,942.84x = 21,948,876.54 × 15,299,042.52
  4. Step 4: Simplify right side
    15,888,942.84x = 335,796,795,451,690.44
  5. Step 5: Solve for x
    x = 335,796,795,451,690.44/15,888,942.84
  6. Step 6: Final answer
    x = 21,133,992.29

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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.