Home / 13,188,342.70-19,782,514.05-8,883,670.60

Finding the Fourth Proportional to 13,188,342.70, 19,782,514.05 and 8,883,670.60

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Solution

The fourth proportional to 13,188,342.70, 19,782,514.05 and 8,883,670.60 is: 13,325,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,342.70 : 19,782,514.05 = 8,883,670.60 : x
  2. Step 2: Convert to fraction form
    13,188,342.70/19,782,514.05 = 8,883,670.60/x
  3. Step 3: Cross multiply
    13,188,342.70x = 19,782,514.05 × 8,883,670.60
  4. Step 4: Simplify right side
    13,188,342.70x = 175,741,338,460,071.94
  5. Step 5: Solve for x
    x = 175,741,338,460,071.94/13,188,342.70
  6. Step 6: Final answer
    x = 13,325,505.90

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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.