Home / 13,192,035.75-18,204,569.20-7,311,419.35

Finding the Fourth Proportional to 13,192,035.75, 18,204,569.20 and 7,311,419.35

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Solution

The fourth proportional to 13,192,035.75, 18,204,569.20 and 7,311,419.35 is: 10,089,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,035.75 : 18,204,569.20 = 7,311,419.35 : x
  2. Step 2: Convert to fraction form
    13,192,035.75/18,204,569.20 = 7,311,419.35/x
  3. Step 3: Cross multiply
    13,192,035.75x = 18,204,569.20 × 7,311,419.35
  4. Step 4: Simplify right side
    13,192,035.75x = 133,101,239,470,921.89
  5. Step 5: Solve for x
    x = 133,101,239,470,921.89/13,192,035.75
  6. Step 6: Final answer
    x = 10,089,514.76

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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.