Home / 20,308,481.70-27,994,607.56-12,453,427.37

Finding the Fourth Proportional to 20,308,481.70, 27,994,607.56 and 12,453,427.37

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Solution

The fourth proportional to 20,308,481.70, 27,994,607.56 and 12,453,427.37 is: 17,166,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308,481.70 : 27,994,607.56 = 12,453,427.37 : x
  2. Step 2: Convert to fraction form
    20,308,481.70/27,994,607.56 = 12,453,427.37/x
  3. Step 3: Cross multiply
    20,308,481.70x = 27,994,607.56 × 12,453,427.37
  4. Step 4: Simplify right side
    20,308,481.70x = 348,628,811,963,228.06
  5. Step 5: Solve for x
    x = 348,628,811,963,228.06/20,308,481.70
  6. Step 6: Final answer
    x = 17,166,660.57

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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.