Home / 6,990,376.67-9,646,569.01-3,850,728.14

Finding the Fourth Proportional to 6,990,376.67, 9,646,569.01 and 3,850,728.14

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Solution

The fourth proportional to 6,990,376.67, 9,646,569.01 and 3,850,728.14 is: 5,313,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,376.67 : 9,646,569.01 = 3,850,728.14 : x
  2. Step 2: Convert to fraction form
    6,990,376.67/9,646,569.01 = 3,850,728.14/x
  3. Step 3: Cross multiply
    6,990,376.67x = 9,646,569.01 × 3,850,728.14
  4. Step 4: Simplify right side
    6,990,376.67x = 37,146,314,683,399.27
  5. Step 5: Solve for x
    x = 37,146,314,683,399.27/6,990,376.67
  6. Step 6: Final answer
    x = 5,313,921.76

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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.