Home / 18,343,168.64-25,313,887.17-10,083,579.05

Finding the Fourth Proportional to 18,343,168.64, 25,313,887.17 and 10,083,579.05

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Solution

The fourth proportional to 18,343,168.64, 25,313,887.17 and 10,083,579.05 is: 13,915,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343,168.64 : 25,313,887.17 = 10,083,579.05 : x
  2. Step 2: Convert to fraction form
    18,343,168.64/25,313,887.17 = 10,083,579.05/x
  3. Step 3: Cross multiply
    18,343,168.64x = 25,313,887.17 × 10,083,579.05
  4. Step 4: Simplify right side
    18,343,168.64x = 255,254,582,404,760.53
  5. Step 5: Solve for x
    x = 255,254,582,404,760.53/18,343,168.64
  6. Step 6: Final answer
    x = 13,915,511.95

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1.5x scale

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.