Home / 13,696,514.76-18,900,828.62-7,816,043.54

Finding the Fourth Proportional to 13,696,514.76, 18,900,828.62 and 7,816,043.54

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Solution

The fourth proportional to 13,696,514.76, 18,900,828.62 and 7,816,043.54 is: 10,785,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,514.76 : 18,900,828.62 = 7,816,043.54 : x
  2. Step 2: Convert to fraction form
    13,696,514.76/18,900,828.62 = 7,816,043.54/x
  3. Step 3: Cross multiply
    13,696,514.76x = 18,900,828.62 × 7,816,043.54
  4. Step 4: Simplify right side
    13,696,514.76x = 147,729,699,435,998.12
  5. Step 5: Solve for x
    x = 147,729,699,435,998.12/13,696,514.76
  6. Step 6: Final answer
    x = 10,785,933.65

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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.