Home / 31,831,360-43,826,558.16-28,922,047.36

Finding the Fourth Proportional to 31,831,360, 43,826,558.16 and 28,922,047.36

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Solution

The fourth proportional to 31,831,360, 43,826,558.16 and 28,922,047.36 is: 39,820,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831,360 : 43,826,558.16 = 28,922,047.36 : x
  2. Step 2: Convert to fraction form
    31,831,360/43,826,558.16 = 28,922,047.36/x
  3. Step 3: Cross multiply
    31,831,360x = 43,826,558.16 × 28,922,047.36
  4. Step 4: Simplify right side
    31,831,360x = 1,267,553,790,729,314.25
  5. Step 5: Solve for x
    x = 1,267,553,790,729,314.25/31,831,360
  6. Step 6: Final answer
    x = 39,820,912.17

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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.