Home / 18,612,324.45-25,684,639.43-10,352,209.05

Finding the Fourth Proportional to 18,612,324.45, 25,684,639.43 and 10,352,209.05

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Solution

The fourth proportional to 18,612,324.45, 25,684,639.43 and 10,352,209.05 is: 14,285,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,324.45 : 25,684,639.43 = 10,352,209.05 : x
  2. Step 2: Convert to fraction form
    18,612,324.45/25,684,639.43 = 10,352,209.05/x
  3. Step 3: Cross multiply
    18,612,324.45x = 25,684,639.43 × 10,352,209.05
  4. Step 4: Simplify right side
    18,612,324.45x = 265,892,756,701,471.81
  5. Step 5: Solve for x
    x = 265,892,756,701,471.81/18,612,324.45
  6. Step 6: Final answer
    x = 14,285,843.63

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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.