Home / 12,474,868.32-17,232,168.06-9,400,629.78

Finding the Fourth Proportional to 12,474,868.32, 17,232,168.06 and 9,400,629.78

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Solution

The fourth proportional to 12,474,868.32, 17,232,168.06 and 9,400,629.78 is: 12,985,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,868.32 : 17,232,168.06 = 9,400,629.78 : x
  2. Step 2: Convert to fraction form
    12,474,868.32/17,232,168.06 = 9,400,629.78/x
  3. Step 3: Cross multiply
    12,474,868.32x = 17,232,168.06 × 9,400,629.78
  4. Step 4: Simplify right side
    12,474,868.32x = 161,993,232,238,800.81
  5. Step 5: Solve for x
    x = 161,993,232,238,800.81/12,474,868.32
  6. Step 6: Final answer
    x = 12,985,566.51

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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.