Home / 12,483,843.57-18,725,765.13-3,508,395.57

Finding the Fourth Proportional to 12,483,843.57, 18,725,765.13 and 3,508,395.57

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Solution

The fourth proportional to 12,483,843.57, 18,725,765.13 and 3,508,395.57 is: 5,262,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,843.57 : 18,725,765.13 = 3,508,395.57 : x
  2. Step 2: Convert to fraction form
    12,483,843.57/18,725,765.13 = 3,508,395.57/x
  3. Step 3: Cross multiply
    12,483,843.57x = 18,725,765.13 × 3,508,395.57
  4. Step 4: Simplify right side
    12,483,843.57x = 65,697,391,426,952.47
  5. Step 5: Solve for x
    x = 65,697,391,426,952.47/12,483,843.57
  6. Step 6: Final answer
    x = 5,262,593.29

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1.5x scale

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.