Home / 19,213,067.42-28,819,565.59-6,259,202.61

Finding the Fourth Proportional to 19,213,067.42, 28,819,565.59 and 6,259,202.61

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Solution

The fourth proportional to 19,213,067.42, 28,819,565.59 and 6,259,202.61 is: 9,388,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213,067.42 : 28,819,565.59 = 6,259,202.61 : x
  2. Step 2: Convert to fraction form
    19,213,067.42/28,819,565.59 = 6,259,202.61/x
  3. Step 3: Cross multiply
    19,213,067.42x = 28,819,565.59 × 6,259,202.61
  4. Step 4: Simplify right side
    19,213,067.42x = 180,387,500,210,118.88
  5. Step 5: Solve for x
    x = 180,387,500,210,118.88/19,213,067.42
  6. Step 6: Final answer
    x = 9,388,792.34

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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.