Home / 8,505,976.32-11,738,528.64-4,638,816

Finding the Fourth Proportional to 8,505,976.32, 11,738,528.64 and 4,638,816

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Solution

The fourth proportional to 8,505,976.32, 11,738,528.64 and 4,638,816 is: 6,401,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,976.32 : 11,738,528.64 = 4,638,816 : x
  2. Step 2: Convert to fraction form
    8,505,976.32/11,738,528.64 = 4,638,816/x
  3. Step 3: Cross multiply
    8,505,976.32x = 11,738,528.64 × 4,638,816
  4. Step 4: Simplify right side
    8,505,976.32x = 54,452,874,471,690.24
  5. Step 5: Solve for x
    x = 54,452,874,471,690.24/8,505,976.32
  6. Step 6: Final answer
    x = 6,401,719.50

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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.