Home / 12,562,930.14-17,332,428.48-8,214,561.78

Finding the Fourth Proportional to 12,562,930.14, 17,332,428.48 and 8,214,561.78

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Solution

The fourth proportional to 12,562,930.14, 17,332,428.48 and 8,214,561.78 is: 11,333,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,930.14 : 17,332,428.48 = 8,214,561.78 : x
  2. Step 2: Convert to fraction form
    12,562,930.14/17,332,428.48 = 8,214,561.78/x
  3. Step 3: Cross multiply
    12,562,930.14x = 17,332,428.48 × 8,214,561.78
  4. Step 4: Simplify right side
    12,562,930.14x = 142,378,304,546,391.50
  5. Step 5: Solve for x
    x = 142,378,304,546,391.50/12,562,930.14
  6. Step 6: Final answer
    x = 11,333,208.33

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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.