Home / 8,422,840.80-12,628,040.40-3,371,551.20

Finding the Fourth Proportional to 8,422,840.80, 12,628,040.40 and 3,371,551.20

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Solution

The fourth proportional to 8,422,840.80, 12,628,040.40 and 3,371,551.20 is: 5,054,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,840.80 : 12,628,040.40 = 3,371,551.20 : x
  2. Step 2: Convert to fraction form
    8,422,840.80/12,628,040.40 = 3,371,551.20/x
  3. Step 3: Cross multiply
    8,422,840.80x = 12,628,040.40 × 3,371,551.20
  4. Step 4: Simplify right side
    8,422,840.80x = 42,576,084,764,268.48
  5. Step 5: Solve for x
    x = 42,576,084,764,268.48/8,422,840.80
  6. Step 6: Final answer
    x = 5,054,836.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.