Home / 7,621,682.31-10,517,876.73-4,137,090.26

Finding the Fourth Proportional to 7,621,682.31, 10,517,876.73 and 4,137,090.26

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Solution

The fourth proportional to 7,621,682.31, 10,517,876.73 and 4,137,090.26 is: 5,709,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,682.31 : 10,517,876.73 = 4,137,090.26 : x
  2. Step 2: Convert to fraction form
    7,621,682.31/10,517,876.73 = 4,137,090.26/x
  3. Step 3: Cross multiply
    7,621,682.31x = 10,517,876.73 × 4,137,090.26
  4. Step 4: Simplify right side
    7,621,682.31x = 43,513,405,322,974.27
  5. Step 5: Solve for x
    x = 43,513,405,322,974.27/7,621,682.31
  6. Step 6: Final answer
    x = 5,709,160.20

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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.