Home / 13,738,185.31-18,958,966.89-7,543,177.83

Finding the Fourth Proportional to 13,738,185.31, 18,958,966.89 and 7,543,177.83

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Solution

The fourth proportional to 13,738,185.31, 18,958,966.89 and 7,543,177.83 is: 10,409,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738,185.31 : 18,958,966.89 = 7,543,177.83 : x
  2. Step 2: Convert to fraction form
    13,738,185.31/18,958,966.89 = 7,543,177.83/x
  3. Step 3: Cross multiply
    13,738,185.31x = 18,958,966.89 × 7,543,177.83
  4. Step 4: Simplify right side
    13,738,185.31x = 143,010,858,724,352.06
  5. Step 5: Solve for x
    x = 143,010,858,724,352.06/13,738,185.31
  6. Step 6: Final answer
    x = 10,409,734.29

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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.