Home / 30,845,180.33-42,570,917.43-19,530,418.35

Finding the Fourth Proportional to 30,845,180.33, 42,570,917.43 and 19,530,418.35

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Solution

The fourth proportional to 30,845,180.33, 42,570,917.43 and 19,530,418.35 is: 26,954,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845,180.33 : 42,570,917.43 = 19,530,418.35 : x
  2. Step 2: Convert to fraction form
    30,845,180.33/42,570,917.43 = 19,530,418.35/x
  3. Step 3: Cross multiply
    30,845,180.33x = 42,570,917.43 × 19,530,418.35
  4. Step 4: Simplify right side
    30,845,180.33x = 831,427,826,951,206.88
  5. Step 5: Solve for x
    x = 831,427,826,951,206.88/30,845,180.33
  6. Step 6: Final answer
    x = 26,954,870.04

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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.