Home / 15,067,074.22-20,796,987.48-9,840,881.34

Finding the Fourth Proportional to 15,067,074.22, 20,796,987.48 and 9,840,881.34

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Solution

The fourth proportional to 15,067,074.22, 20,796,987.48 and 9,840,881.34 is: 13,583,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,074.22 : 20,796,987.48 = 9,840,881.34 : x
  2. Step 2: Convert to fraction form
    15,067,074.22/20,796,987.48 = 9,840,881.34/x
  3. Step 3: Cross multiply
    15,067,074.22x = 20,796,987.48 × 9,840,881.34
  4. Step 4: Simplify right side
    15,067,074.22x = 204,660,686,020,145.62
  5. Step 5: Solve for x
    x = 204,660,686,020,145.62/15,067,074.22
  6. Step 6: Final answer
    x = 13,583,306.42

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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.