Home / 30,265,538.36-41,772,138.60-18,954,965.36

Finding the Fourth Proportional to 30,265,538.36, 41,772,138.60 and 18,954,965.36

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Solution

The fourth proportional to 30,265,538.36, 41,772,138.60 and 18,954,965.36 is: 26,161,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265,538.36 : 41,772,138.60 = 18,954,965.36 : x
  2. Step 2: Convert to fraction form
    30,265,538.36/41,772,138.60 = 18,954,965.36/x
  3. Step 3: Cross multiply
    30,265,538.36x = 41,772,138.60 × 18,954,965.36
  4. Step 4: Simplify right side
    30,265,538.36x = 791,789,440,176,118.88
  5. Step 5: Solve for x
    x = 791,789,440,176,118.88/30,265,538.36
  6. Step 6: Final answer
    x = 26,161,419.33

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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.