Home / 9,666,904.92-13,340,046.78-5,315,986.68

Finding the Fourth Proportional to 9,666,904.92, 13,340,046.78 and 5,315,986.68

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Solution

The fourth proportional to 9,666,904.92, 13,340,046.78 and 5,315,986.68 is: 7,335,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,904.92 : 13,340,046.78 = 5,315,986.68 : x
  2. Step 2: Convert to fraction form
    9,666,904.92/13,340,046.78 = 5,315,986.68/x
  3. Step 3: Cross multiply
    9,666,904.92x = 13,340,046.78 × 5,315,986.68
  4. Step 4: Simplify right side
    9,666,904.92x = 70,915,510,993,056.89
  5. Step 5: Solve for x
    x = 70,915,510,993,056.89/9,666,904.92
  6. Step 6: Final answer
    x = 7,335,906.54

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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.