Home / 7,241,009.25-9,992,599.35-3,978,035.37

Finding the Fourth Proportional to 7,241,009.25, 9,992,599.35 and 3,978,035.37

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Solution

The fourth proportional to 7,241,009.25, 9,992,599.35 and 3,978,035.37 is: 5,489,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,009.25 : 9,992,599.35 = 3,978,035.37 : x
  2. Step 2: Convert to fraction form
    7,241,009.25/9,992,599.35 = 3,978,035.37/x
  3. Step 3: Cross multiply
    7,241,009.25x = 9,992,599.35 × 3,978,035.37
  4. Step 4: Simplify right side
    7,241,009.25x = 39,750,913,652,539.01
  5. Step 5: Solve for x
    x = 39,750,913,652,539.01/7,241,009.25
  6. Step 6: Final answer
    x = 5,489,692.43

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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.