Home / 7,963,609.60-11,945,457.60-1,979,977.60

Finding the Fourth Proportional to 7,963,609.60, 11,945,457.60 and 1,979,977.60

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Solution

The fourth proportional to 7,963,609.60, 11,945,457.60 and 1,979,977.60 is: 2,969,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,609.60 : 11,945,457.60 = 1,979,977.60 : x
  2. Step 2: Convert to fraction form
    7,963,609.60/11,945,457.60 = 1,979,977.60/x
  3. Step 3: Cross multiply
    7,963,609.60x = 11,945,457.60 × 1,979,977.60
  4. Step 4: Simplify right side
    7,963,609.60x = 23,651,738,469,749.76
  5. Step 5: Solve for x
    x = 23,651,738,469,749.76/7,963,609.60
  6. Step 6: Final answer
    x = 2,969,977.14

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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.