Home / 18,190,360.20-27,285,540.30-10,915,523.40

Finding the Fourth Proportional to 18,190,360.20, 27,285,540.30 and 10,915,523.40

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Solution

The fourth proportional to 18,190,360.20, 27,285,540.30 and 10,915,523.40 is: 16,373,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,360.20 : 27,285,540.30 = 10,915,523.40 : x
  2. Step 2: Convert to fraction form
    18,190,360.20/27,285,540.30 = 10,915,523.40/x
  3. Step 3: Cross multiply
    18,190,360.20x = 27,285,540.30 × 10,915,523.40
  4. Step 4: Simplify right side
    18,190,360.20x = 297,835,953,626,293.06
  5. Step 5: Solve for x
    x = 297,835,953,626,293.06/18,190,360.20
  6. Step 6: Final answer
    x = 16,373,285.10

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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.