Home / 13,305,938.40-19,958,907.60-11,962,245.60

Finding the Fourth Proportional to 13,305,938.40, 19,958,907.60 and 11,962,245.60

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Solution

The fourth proportional to 13,305,938.40, 19,958,907.60 and 11,962,245.60 is: 17,943,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,938.40 : 19,958,907.60 = 11,962,245.60 : x
  2. Step 2: Convert to fraction form
    13,305,938.40/19,958,907.60 = 11,962,245.60/x
  3. Step 3: Cross multiply
    13,305,938.40x = 19,958,907.60 × 11,962,245.60
  4. Step 4: Simplify right side
    13,305,938.40x = 238,753,354,618,906.56
  5. Step 5: Solve for x
    x = 238,753,354,618,906.56/13,305,938.40
  6. Step 6: Final answer
    x = 17,943,368.40

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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.