Home / 7,893,418.94-11,840,128.88-1,909,786.94

Finding the Fourth Proportional to 7,893,418.94, 11,840,128.88 and 1,909,786.94

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Solution

The fourth proportional to 7,893,418.94, 11,840,128.88 and 1,909,786.94 is: 2,864,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,418.94 : 11,840,128.88 = 1,909,786.94 : x
  2. Step 2: Convert to fraction form
    7,893,418.94/11,840,128.88 = 1,909,786.94/x
  3. Step 3: Cross multiply
    7,893,418.94x = 11,840,128.88 × 1,909,786.94
  4. Step 4: Simplify right side
    7,893,418.94x = 22,612,123,502,940.83
  5. Step 5: Solve for x
    x = 22,612,123,502,940.83/7,893,418.94
  6. Step 6: Final answer
    x = 2,864,680.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.