Home / 13,192,035.69-18,204,569.12-7,311,419.29

Finding the Fourth Proportional to 13,192,035.69, 18,204,569.12 and 7,311,419.29

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Solution

The fourth proportional to 13,192,035.69, 18,204,569.12 and 7,311,419.29 is: 10,089,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,035.69 : 18,204,569.12 = 7,311,419.29 : x
  2. Step 2: Convert to fraction form
    13,192,035.69/18,204,569.12 = 7,311,419.29/x
  3. Step 3: Cross multiply
    13,192,035.69x = 18,204,569.12 × 7,311,419.29
  4. Step 4: Simplify right side
    13,192,035.69x = 133,101,237,702,526.38
  5. Step 5: Solve for x
    x = 133,101,237,702,526.38/13,192,035.69
  6. Step 6: Final answer
    x = 10,089,514.68

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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.