Home / 38,821,459.47-53,573,244.62-21,417,945.27

Finding the Fourth Proportional to 38,821,459.47, 53,573,244.62 and 21,417,945.27

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Solution

The fourth proportional to 38,821,459.47, 53,573,244.62 and 21,417,945.27 is: 29,556,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821,459.47 : 53,573,244.62 = 21,417,945.27 : x
  2. Step 2: Convert to fraction form
    38,821,459.47/53,573,244.62 = 21,417,945.27/x
  3. Step 3: Cross multiply
    38,821,459.47x = 53,573,244.62 × 21,417,945.27
  4. Step 4: Simplify right side
    38,821,459.47x = 1,147,428,821,100,392.25
  5. Step 5: Solve for x
    x = 1,147,428,821,100,392.25/38,821,459.47
  6. Step 6: Final answer
    x = 29,556,560.64

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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.