Home / 13,388,329.09-18,476,283.86-7,586,917.93

Finding the Fourth Proportional to 13,388,329.09, 18,476,283.86 and 7,586,917.93

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Solution

The fourth proportional to 13,388,329.09, 18,476,283.86 and 7,586,917.93 is: 10,470,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,329.09 : 18,476,283.86 = 7,586,917.93 : x
  2. Step 2: Convert to fraction form
    13,388,329.09/18,476,283.86 = 7,586,917.93/x
  3. Step 3: Cross multiply
    13,388,329.09x = 18,476,283.86 × 7,586,917.93
  4. Step 4: Simplify right side
    13,388,329.09x = 140,178,049,310,815.33
  5. Step 5: Solve for x
    x = 140,178,049,310,815.33/13,388,329.09
  6. Step 6: Final answer
    x = 10,470,167.59

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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.