Home / 7,859,869.36-11,789,803-2,180,093.68

Finding the Fourth Proportional to 7,859,869.36, 11,789,803 and 2,180,093.68

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Solution

The fourth proportional to 7,859,869.36, 11,789,803 and 2,180,093.68 is: 3,270,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,869.36 : 11,789,803 = 2,180,093.68 : x
  2. Step 2: Convert to fraction form
    7,859,869.36/11,789,803 = 2,180,093.68/x
  3. Step 3: Cross multiply
    7,859,869.36x = 11,789,803 × 2,180,093.68
  4. Step 4: Simplify right side
    7,859,869.36x = 25,702,875,008,745.04
  5. Step 5: Solve for x
    x = 25,702,875,008,745.04/7,859,869.36
  6. Step 6: Final answer
    x = 3,270,140.23

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Double scale
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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.