Home / 6,831,456.23-9,427,395.92-3,891,272.21

Finding the Fourth Proportional to 6,831,456.23, 9,427,395.92 and 3,891,272.21

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Solution

The fourth proportional to 6,831,456.23, 9,427,395.92 and 3,891,272.21 is: 5,369,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831,456.23 : 9,427,395.92 = 3,891,272.21 : x
  2. Step 2: Convert to fraction form
    6,831,456.23/9,427,395.92 = 3,891,272.21/x
  3. Step 3: Cross multiply
    6,831,456.23x = 9,427,395.92 × 3,891,272.21
  4. Step 4: Simplify right side
    6,831,456.23x = 36,684,563,754,107.32
  5. Step 5: Solve for x
    x = 36,684,563,754,107.32/6,831,456.23
  6. Step 6: Final answer
    x = 5,369,947.86

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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.