Home / 12,918,982.14-19,382,262.19-3,821,319.11

Finding the Fourth Proportional to 12,918,982.14, 19,382,262.19 and 3,821,319.11

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Solution

The fourth proportional to 12,918,982.14, 19,382,262.19 and 3,821,319.11 is: 5,733,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,982.14 : 19,382,262.19 = 3,821,319.11 : x
  2. Step 2: Convert to fraction form
    12,918,982.14/19,382,262.19 = 3,821,319.11/x
  3. Step 3: Cross multiply
    12,918,982.14x = 19,382,262.19 × 3,821,319.11
  4. Step 4: Simplify right side
    12,918,982.14x = 74,065,808,940,579.81
  5. Step 5: Solve for x
    x = 74,065,808,940,579.81/12,918,982.14
  6. Step 6: Final answer
    x = 5,733,099.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.