Home / 9,295,365.06-12,827,989.44-5,165,380.80

Finding the Fourth Proportional to 9,295,365.06, 12,827,989.44 and 5,165,380.80

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Solution

The fourth proportional to 9,295,365.06, 12,827,989.44 and 5,165,380.80 is: 7,128,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,365.06 : 12,827,989.44 = 5,165,380.80 : x
  2. Step 2: Convert to fraction form
    9,295,365.06/12,827,989.44 = 5,165,380.80/x
  3. Step 3: Cross multiply
    9,295,365.06x = 12,827,989.44 × 5,165,380.80
  4. Step 4: Simplify right side
    9,295,365.06x = 66,261,450,355,978.75
  5. Step 5: Solve for x
    x = 66,261,450,355,978.75/9,295,365.06
  6. Step 6: Final answer
    x = 7,128,439.81

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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.