Home / 38,883,579.77-53,659,788.76-21,479,560.13

Finding the Fourth Proportional to 38,883,579.77, 53,659,788.76 and 21,479,560.13

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Solution

The fourth proportional to 38,883,579.77, 53,659,788.76 and 21,479,560.13 is: 29,642,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883,579.77 : 53,659,788.76 = 21,479,560.13 : x
  2. Step 2: Convert to fraction form
    38,883,579.77/53,659,788.76 = 21,479,560.13/x
  3. Step 3: Cross multiply
    38,883,579.77x = 53,659,788.76 × 21,479,560.13
  4. Step 4: Simplify right side
    38,883,579.77x = 1,152,588,659,394,517
  5. Step 5: Solve for x
    x = 1,152,588,659,394,517/38,883,579.77
  6. Step 6: Final answer
    x = 29,642,040.83

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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.