Home / 15,134,418.37-20,886,158.69-8,519,433.31

Finding the Fourth Proportional to 15,134,418.37, 20,886,158.69 and 8,519,433.31

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Solution

The fourth proportional to 15,134,418.37, 20,886,158.69 and 8,519,433.31 is: 11,757,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,418.37 : 20,886,158.69 = 8,519,433.31 : x
  2. Step 2: Convert to fraction form
    15,134,418.37/20,886,158.69 = 8,519,433.31/x
  3. Step 3: Cross multiply
    15,134,418.37x = 20,886,158.69 × 8,519,433.31
  4. Step 4: Simplify right side
    15,134,418.37x = 177,938,236,007,427.53
  5. Step 5: Solve for x
    x = 177,938,236,007,427.53/15,134,418.37
  6. Step 6: Final answer
    x = 11,757,190.24

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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.