Home / 13,305,280.73-19,957,921.09-11,958,963.53

Finding the Fourth Proportional to 13,305,280.73, 19,957,921.09 and 11,958,963.53

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Solution

The fourth proportional to 13,305,280.73, 19,957,921.09 and 11,958,963.53 is: 17,938,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,280.73 : 19,957,921.09 = 11,958,963.53 : x
  2. Step 2: Convert to fraction form
    13,305,280.73/19,957,921.09 = 11,958,963.53/x
  3. Step 3: Cross multiply
    13,305,280.73x = 19,957,921.09 × 11,958,963.53
  4. Step 4: Simplify right side
    13,305,280.73x = 238,676,050,320,240.81
  5. Step 5: Solve for x
    x = 238,676,050,320,240.81/13,305,280.73
  6. Step 6: Final answer
    x = 17,938,445.29

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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.