Home / 7,807,439.76-10,774,603.62-4,322,778.54

Finding the Fourth Proportional to 7,807,439.76, 10,774,603.62 and 4,322,778.54

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Solution

The fourth proportional to 7,807,439.76, 10,774,603.62 and 4,322,778.54 is: 5,965,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807,439.76 : 10,774,603.62 = 4,322,778.54 : x
  2. Step 2: Convert to fraction form
    7,807,439.76/10,774,603.62 = 4,322,778.54/x
  3. Step 3: Cross multiply
    7,807,439.76x = 10,774,603.62 × 4,322,778.54
  4. Step 4: Simplify right side
    7,807,439.76x = 46,576,225,305,542.31
  5. Step 5: Solve for x
    x = 46,576,225,305,542.31/7,807,439.76
  6. Step 6: Final answer
    x = 5,965,620.84

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Double scale
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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.