Home / 38,507,145.14-53,133,982.96-21,755,772.48

Finding the Fourth Proportional to 38,507,145.14, 53,133,982.96 and 21,755,772.48

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Solution

The fourth proportional to 38,507,145.14, 53,133,982.96 and 21,755,772.48 is: 30,019,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,507,145.14 : 53,133,982.96 = 21,755,772.48 : x
  2. Step 2: Convert to fraction form
    38,507,145.14/53,133,982.96 = 21,755,772.48/x
  3. Step 3: Cross multiply
    38,507,145.14x = 53,133,982.96 × 21,755,772.48
  4. Step 4: Simplify right side
    38,507,145.14x = 1,155,970,843,968,287
  5. Step 5: Solve for x
    x = 1,155,970,843,968,287/38,507,145.14
  6. Step 6: Final answer
    x = 30,019,645.44

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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.