Home / 13,380,268.14-18,464,178.66-7,578,933.54

Finding the Fourth Proportional to 13,380,268.14, 18,464,178.66 and 7,578,933.54

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Solution

The fourth proportional to 13,380,268.14, 18,464,178.66 and 7,578,933.54 is: 10,458,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,268.14 : 18,464,178.66 = 7,578,933.54 : x
  2. Step 2: Convert to fraction form
    13,380,268.14/18,464,178.66 = 7,578,933.54/x
  3. Step 3: Cross multiply
    13,380,268.14x = 18,464,178.66 × 7,578,933.54
  4. Step 4: Simplify right side
    13,380,268.14x = 139,938,782,934,826.27
  5. Step 5: Solve for x
    x = 139,938,782,934,826.27/13,380,268.14
  6. Step 6: Final answer
    x = 10,458,593.32

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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.