Home / 18,970,736-26,183,162.31-10,821,974

Finding the Fourth Proportional to 18,970,736, 26,183,162.31 and 10,821,974

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Solution

The fourth proportional to 18,970,736, 26,183,162.31 and 10,821,974 is: 14,936,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970,736 : 26,183,162.31 = 10,821,974 : x
  2. Step 2: Convert to fraction form
    18,970,736/26,183,162.31 = 10,821,974/x
  3. Step 3: Cross multiply
    18,970,736x = 26,183,162.31 × 10,821,974
  4. Step 4: Simplify right side
    18,970,736x = 283,353,501,756,599.94
  5. Step 5: Solve for x
    x = 283,353,501,756,599.94/18,970,736
  6. Step 6: Final answer
    x = 14,936,347.32

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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.