Home / 25,259,036.70-34,854,867.66-18,647,141.79

Finding the Fourth Proportional to 25,259,036.70, 34,854,867.66 and 18,647,141.79

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Solution

The fourth proportional to 25,259,036.70, 34,854,867.66 and 18,647,141.79 is: 25,731,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259,036.70 : 34,854,867.66 = 18,647,141.79 : x
  2. Step 2: Convert to fraction form
    25,259,036.70/34,854,867.66 = 18,647,141.79/x
  3. Step 3: Cross multiply
    25,259,036.70x = 34,854,867.66 × 18,647,141.79
  4. Step 4: Simplify right side
    25,259,036.70x = 649,943,659,327,705.38
  5. Step 5: Solve for x
    x = 649,943,659,327,705.38/25,259,036.70
  6. Step 6: Final answer
    x = 25,731,134.05

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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.