Home / 7,110,428.60-9,812,321.44-3,847,171.72

Finding the Fourth Proportional to 7,110,428.60, 9,812,321.44 and 3,847,171.72

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Solution

The fourth proportional to 7,110,428.60, 9,812,321.44 and 3,847,171.72 is: 5,309,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,428.60 : 9,812,321.44 = 3,847,171.72 : x
  2. Step 2: Convert to fraction form
    7,110,428.60/9,812,321.44 = 3,847,171.72/x
  3. Step 3: Cross multiply
    7,110,428.60x = 9,812,321.44 × 3,847,171.72
  4. Step 4: Simplify right side
    7,110,428.60x = 37,749,685,551,517.68
  5. Step 5: Solve for x
    x = 37,749,685,551,517.68/7,110,428.60
  6. Step 6: Final answer
    x = 5,309,059.08

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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.