Home / 14,505,875.14-20,018,481.21-7,979,672.26

Finding the Fourth Proportional to 14,505,875.14, 20,018,481.21 and 7,979,672.26

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Solution

The fourth proportional to 14,505,875.14, 20,018,481.21 and 7,979,672.26 is: 11,012,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505,875.14 : 20,018,481.21 = 7,979,672.26 : x
  2. Step 2: Convert to fraction form
    14,505,875.14/20,018,481.21 = 7,979,672.26/x
  3. Step 3: Cross multiply
    14,505,875.14x = 20,018,481.21 × 7,979,672.26
  4. Step 4: Simplify right side
    14,505,875.14x = 159,740,919,198,768.25
  5. Step 5: Solve for x
    x = 159,740,919,198,768.25/14,505,875.14
  6. Step 6: Final answer
    x = 11,012,153.19

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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.