Home / 31,831,334-43,826,522.28-28,922,021.36

Finding the Fourth Proportional to 31,831,334, 43,826,522.28 and 28,922,021.36

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Solution

The fourth proportional to 31,831,334, 43,826,522.28 and 28,922,021.36 is: 39,820,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831,334 : 43,826,522.28 = 28,922,021.36 : x
  2. Step 2: Convert to fraction form
    31,831,334/43,826,522.28 = 28,922,021.36/x
  3. Step 3: Cross multiply
    31,831,334x = 43,826,522.28 × 28,922,021.36
  4. Step 4: Simplify right side
    31,831,334x = 1,267,551,613,516,676
  5. Step 5: Solve for x
    x = 1,267,551,613,516,676/31,831,334
  6. Step 6: Final answer
    x = 39,820,876.29

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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.