Home / 13,285,054.42-19,933,880.19-7,904,334.58

Finding the Fourth Proportional to 13,285,054.42, 19,933,880.19 and 7,904,334.58

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Solution

The fourth proportional to 13,285,054.42, 19,933,880.19 and 7,904,334.58 is: 11,860,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,054.42 : 19,933,880.19 = 7,904,334.58 : x
  2. Step 2: Convert to fraction form
    13,285,054.42/19,933,880.19 = 7,904,334.58/x
  3. Step 3: Cross multiply
    13,285,054.42x = 19,933,880.19 × 7,904,334.58
  4. Step 4: Simplify right side
    13,285,054.42x = 157,564,058,419,918.03
  5. Step 5: Solve for x
    x = 157,564,058,419,918.03/13,285,054.42
  6. Step 6: Final answer
    x = 11,860,249.38

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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.