Home / 10,557,796.80-15,840,842.40-4,166,961.60

Finding the Fourth Proportional to 10,557,796.80, 15,840,842.40 and 4,166,961.60

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Solution

The fourth proportional to 10,557,796.80, 15,840,842.40 and 4,166,961.60 is: 6,252,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,796.80 : 15,840,842.40 = 4,166,961.60 : x
  2. Step 2: Convert to fraction form
    10,557,796.80/15,840,842.40 = 4,166,961.60/x
  3. Step 3: Cross multiply
    10,557,796.80x = 15,840,842.40 × 4,166,961.60
  4. Step 4: Simplify right side
    10,557,796.80x = 66,008,181,992,451.84
  5. Step 5: Solve for x
    x = 66,008,181,992,451.84/10,557,796.80
  6. Step 6: Final answer
    x = 6,252,079.22

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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.