Home / 18,445,863.70-25,454,640.18-10,185,783.40

Finding the Fourth Proportional to 18,445,863.70, 25,454,640.18 and 10,185,783.40

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Solution

The fourth proportional to 18,445,863.70, 25,454,640.18 and 10,185,783.40 is: 14,056,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,863.70 : 25,454,640.18 = 10,185,783.40 : x
  2. Step 2: Convert to fraction form
    18,445,863.70/25,454,640.18 = 10,185,783.40/x
  3. Step 3: Cross multiply
    18,445,863.70x = 25,454,640.18 × 10,185,783.40
  4. Step 4: Simplify right side
    18,445,863.70x = 259,275,451,398,417.03
  5. Step 5: Solve for x
    x = 259,275,451,398,417.03/18,445,863.70
  6. Step 6: Final answer
    x = 14,056,021.21

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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.