Home / 9,770,401.92-13,484,771.74-5,420,889.49

Finding the Fourth Proportional to 9,770,401.92, 13,484,771.74 and 5,420,889.49

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Solution

The fourth proportional to 9,770,401.92, 13,484,771.74 and 5,420,889.49 is: 7,481,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,401.92 : 13,484,771.74 = 5,420,889.49 : x
  2. Step 2: Convert to fraction form
    9,770,401.92/13,484,771.74 = 5,420,889.49/x
  3. Step 3: Cross multiply
    9,770,401.92x = 13,484,771.74 × 5,420,889.49
  4. Step 4: Simplify right side
    9,770,401.92x = 73,099,457,345,586.92
  5. Step 5: Solve for x
    x = 73,099,457,345,586.92/9,770,401.92
  6. Step 6: Final answer
    x = 7,481,724.70

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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.