Home / 7,963,619.60-11,945,472.60-1,979,987.60

Finding the Fourth Proportional to 7,963,619.60, 11,945,472.60 and 1,979,987.60

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Solution

The fourth proportional to 7,963,619.60, 11,945,472.60 and 1,979,987.60 is: 2,969,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,619.60 : 11,945,472.60 = 1,979,987.60 : x
  2. Step 2: Convert to fraction form
    7,963,619.60/11,945,472.60 = 1,979,987.60/x
  3. Step 3: Cross multiply
    7,963,619.60x = 11,945,472.60 × 1,979,987.60
  4. Step 4: Simplify right side
    7,963,619.60x = 23,651,887,624,139.76
  5. Step 5: Solve for x
    x = 23,651,887,624,139.76/7,963,619.60
  6. Step 6: Final answer
    x = 2,969,992.14

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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.