Home / 15,970,679.70-23,956,019.55-13,278,045.30

Finding the Fourth Proportional to 15,970,679.70, 23,956,019.55 and 13,278,045.30

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Solution

The fourth proportional to 15,970,679.70, 23,956,019.55 and 13,278,045.30 is: 19,917,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970,679.70 : 23,956,019.55 = 13,278,045.30 : x
  2. Step 2: Convert to fraction form
    15,970,679.70/23,956,019.55 = 13,278,045.30/x
  3. Step 3: Cross multiply
    15,970,679.70x = 23,956,019.55 × 13,278,045.30
  4. Step 4: Simplify right side
    15,970,679.70x = 318,089,112,792,585.62
  5. Step 5: Solve for x
    x = 318,089,112,792,585.62/15,970,679.70
  6. Step 6: Final answer
    x = 19,917,067.95

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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.