Home / 13,190,118.58-19,784,427.36-3,967,894.97

Finding the Fourth Proportional to 13,190,118.58, 19,784,427.36 and 3,967,894.97

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Solution

The fourth proportional to 13,190,118.58, 19,784,427.36 and 3,967,894.97 is: 5,951,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,118.58 : 19,784,427.36 = 3,967,894.97 : x
  2. Step 2: Convert to fraction form
    13,190,118.58/19,784,427.36 = 3,967,894.97/x
  3. Step 3: Cross multiply
    13,190,118.58x = 19,784,427.36 × 3,967,894.97
  4. Step 4: Simplify right side
    13,190,118.58x = 78,502,529,766,464.23
  5. Step 5: Solve for x
    x = 78,502,529,766,464.23/13,190,118.58
  6. Step 6: Final answer
    x = 5,951,616.68

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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.