Home / 39,525,164.79-54,546,432.21-21,884,067.36

Finding the Fourth Proportional to 39,525,164.79, 54,546,432.21 and 21,884,067.36

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Solution

The fourth proportional to 39,525,164.79, 54,546,432.21 and 21,884,067.36 is: 30,200,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,525,164.79 : 54,546,432.21 = 21,884,067.36 : x
  2. Step 2: Convert to fraction form
    39,525,164.79/54,546,432.21 = 21,884,067.36/x
  3. Step 3: Cross multiply
    39,525,164.79x = 54,546,432.21 × 21,884,067.36
  4. Step 4: Simplify right side
    39,525,164.79x = 1,193,697,796,731,313.75
  5. Step 5: Solve for x
    x = 1,193,697,796,731,313.75/39,525,164.79
  6. Step 6: Final answer
    x = 30,200,956.86

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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.