Home / 7,728,851.42-10,665,398.28-4,290,871.02

Finding the Fourth Proportional to 7,728,851.42, 10,665,398.28 and 4,290,871.02

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Solution

The fourth proportional to 7,728,851.42, 10,665,398.28 and 4,290,871.02 is: 5,921,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,851.42 : 10,665,398.28 = 4,290,871.02 : x
  2. Step 2: Convert to fraction form
    7,728,851.42/10,665,398.28 = 4,290,871.02/x
  3. Step 3: Cross multiply
    7,728,851.42x = 10,665,398.28 × 4,290,871.02
  4. Step 4: Simplify right side
    7,728,851.42x = 45,763,848,372,505.37
  5. Step 5: Solve for x
    x = 45,763,848,372,505.37/7,728,851.42
  6. Step 6: Final answer
    x = 5,921,170.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.