Home / 12,405,087.57-17,116,512.37-7,247,452.66

Finding the Fourth Proportional to 12,405,087.57, 17,116,512.37 and 7,247,452.66

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Solution

The fourth proportional to 12,405,087.57, 17,116,512.37 and 7,247,452.66 is: 10,000,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,087.57 : 17,116,512.37 = 7,247,452.66 : x
  2. Step 2: Convert to fraction form
    12,405,087.57/17,116,512.37 = 7,247,452.66/x
  3. Step 3: Cross multiply
    12,405,087.57x = 17,116,512.37 × 7,247,452.66
  4. Step 4: Simplify right side
    12,405,087.57x = 124,051,113,105,879.42
  5. Step 5: Solve for x
    x = 124,051,113,105,879.42/12,405,087.57
  6. Step 6: Final answer
    x = 10,000,019.14

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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.