Home / 13,620,078.96-18,795,225.24-7,424,997.36

Finding the Fourth Proportional to 13,620,078.96, 18,795,225.24 and 7,424,997.36

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Solution

The fourth proportional to 13,620,078.96, 18,795,225.24 and 7,424,997.36 is: 10,246,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,078.96 : 18,795,225.24 = 7,424,997.36 : x
  2. Step 2: Convert to fraction form
    13,620,078.96/18,795,225.24 = 7,424,997.36/x
  3. Step 3: Cross multiply
    13,620,078.96x = 18,795,225.24 × 7,424,997.36
  4. Step 4: Simplify right side
    13,620,078.96x = 139,554,497,787,605.36
  5. Step 5: Solve for x
    x = 139,554,497,787,605.36/13,620,078.96
  6. Step 6: Final answer
    x = 10,246,232.65

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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.