Home / 13,582,175.31-18,743,313.06-7,702,928.82

Finding the Fourth Proportional to 13,582,175.31, 18,743,313.06 and 7,702,928.82

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Solution

The fourth proportional to 13,582,175.31, 18,743,313.06 and 7,702,928.82 is: 10,629,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,175.31 : 18,743,313.06 = 7,702,928.82 : x
  2. Step 2: Convert to fraction form
    13,582,175.31/18,743,313.06 = 7,702,928.82/x
  3. Step 3: Cross multiply
    13,582,175.31x = 18,743,313.06 × 7,702,928.82
  4. Step 4: Simplify right side
    13,582,175.31x = 144,378,406,352,156.38
  5. Step 5: Solve for x
    x = 144,378,406,352,156.38/13,582,175.31
  6. Step 6: Final answer
    x = 10,629,991.37

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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.