Home / 18,171,471.40-27,257,207.10-11,453,007.40

Finding the Fourth Proportional to 18,171,471.40, 27,257,207.10 and 11,453,007.40

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Solution

The fourth proportional to 18,171,471.40, 27,257,207.10 and 11,453,007.40 is: 17,179,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,471.40 : 27,257,207.10 = 11,453,007.40 : x
  2. Step 2: Convert to fraction form
    18,171,471.40/27,257,207.10 = 11,453,007.40/x
  3. Step 3: Cross multiply
    18,171,471.40x = 27,257,207.10 × 11,453,007.40
  4. Step 4: Simplify right side
    18,171,471.40x = 312,176,994,619,632.56
  5. Step 5: Solve for x
    x = 312,176,994,619,632.56/18,171,471.40
  6. Step 6: Final answer
    x = 17,179,511.10

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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.