Home / 38,116,536.75-52,607,906.64-21,819,012.75

Finding the Fourth Proportional to 38,116,536.75, 52,607,906.64 and 21,819,012.75

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Solution

The fourth proportional to 38,116,536.75, 52,607,906.64 and 21,819,012.75 is: 30,114,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116,536.75 : 52,607,906.64 = 21,819,012.75 : x
  2. Step 2: Convert to fraction form
    38,116,536.75/52,607,906.64 = 21,819,012.75/x
  3. Step 3: Cross multiply
    38,116,536.75x = 52,607,906.64 × 21,819,012.75
  4. Step 4: Simplify right side
    38,116,536.75x = 1,147,852,585,728,969.75
  5. Step 5: Solve for x
    x = 1,147,852,585,728,969.75/38,116,536.75
  6. Step 6: Final answer
    x = 30,114,293.78

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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.