Home / 18,743,303.78-25,879,163.34-14,617,943.81

Finding the Fourth Proportional to 18,743,303.78, 25,879,163.34 and 14,617,943.81

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Solution

The fourth proportional to 18,743,303.78, 25,879,163.34 and 14,617,943.81 is: 20,183,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743,303.78 : 25,879,163.34 = 14,617,943.81 : x
  2. Step 2: Convert to fraction form
    18,743,303.78/25,879,163.34 = 14,617,943.81/x
  3. Step 3: Cross multiply
    18,743,303.78x = 25,879,163.34 × 14,617,943.81
  4. Step 4: Simplify right side
    18,743,303.78x = 378,300,155,424,536.12
  5. Step 5: Solve for x
    x = 378,300,155,424,536.12/18,743,303.78
  6. Step 6: Final answer
    x = 20,183,216.36

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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.