Home / 38,855,942.55-53,620,133.46-21,451,971.51

Finding the Fourth Proportional to 38,855,942.55, 53,620,133.46 and 21,451,971.51

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Solution

The fourth proportional to 38,855,942.55, 53,620,133.46 and 21,451,971.51 is: 29,603,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855,942.55 : 53,620,133.46 = 21,451,971.51 : x
  2. Step 2: Convert to fraction form
    38,855,942.55/53,620,133.46 = 21,451,971.51/x
  3. Step 3: Cross multiply
    38,855,942.55x = 53,620,133.46 × 21,451,971.51
  4. Step 4: Simplify right side
    38,855,942.55x = 1,150,257,574,970,957
  5. Step 5: Solve for x
    x = 1,150,257,574,970,957/38,855,942.55
  6. Step 6: Final answer
    x = 29,603,131.46

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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.