Home / 13,465,855.53-18,582,999.41-7,665,010.70

Finding the Fourth Proportional to 13,465,855.53, 18,582,999.41 and 7,665,010.70

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Solution

The fourth proportional to 13,465,855.53, 18,582,999.41 and 7,665,010.70 is: 10,577,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,855.53 : 18,582,999.41 = 7,665,010.70 : x
  2. Step 2: Convert to fraction form
    13,465,855.53/18,582,999.41 = 7,665,010.70/x
  3. Step 3: Cross multiply
    13,465,855.53x = 18,582,999.41 × 7,665,010.70
  4. Step 4: Simplify right side
    13,465,855.53x = 142,438,889,241,991.22
  5. Step 5: Solve for x
    x = 142,438,889,241,991.22/13,465,855.53
  6. Step 6: Final answer
    x = 10,577,782.37

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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.