Home / 20,705,036.03-31,064,648.48-7,067,759.09

Finding the Fourth Proportional to 20,705,036.03, 31,064,648.48 and 7,067,759.09

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Solution

The fourth proportional to 20,705,036.03, 31,064,648.48 and 7,067,759.09 is: 10,604,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,036.03 : 31,064,648.48 = 7,067,759.09 : x
  2. Step 2: Convert to fraction form
    20,705,036.03/31,064,648.48 = 7,067,759.09/x
  3. Step 3: Cross multiply
    20,705,036.03x = 31,064,648.48 × 7,067,759.09
  4. Step 4: Simplify right side
    20,705,036.03x = 219,557,451,508,016.75
  5. Step 5: Solve for x
    x = 219,557,451,508,016.75/20,705,036.03
  6. Step 6: Final answer
    x = 10,604,060.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.