Home / 8,085,486.70-12,128,230.05-5,806,195.30

Finding the Fourth Proportional to 8,085,486.70, 12,128,230.05 and 5,806,195.30

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Solution

The fourth proportional to 8,085,486.70, 12,128,230.05 and 5,806,195.30 is: 8,709,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,486.70 : 12,128,230.05 = 5,806,195.30 : x
  2. Step 2: Convert to fraction form
    8,085,486.70/12,128,230.05 = 5,806,195.30/x
  3. Step 3: Cross multiply
    8,085,486.70x = 12,128,230.05 × 5,806,195.30
  4. Step 4: Simplify right side
    8,085,486.70x = 70,418,872,313,628.77
  5. Step 5: Solve for x
    x = 70,418,872,313,628.77/8,085,486.70
  6. Step 6: Final answer
    x = 8,709,292.95

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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.