Home / 7,963,669.80-11,945,504.70-1,980,037.80

Finding the Fourth Proportional to 7,963,669.80, 11,945,504.70 and 1,980,037.80

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Solution

The fourth proportional to 7,963,669.80, 11,945,504.70 and 1,980,037.80 is: 2,970,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,669.80 : 11,945,504.70 = 1,980,037.80 : x
  2. Step 2: Convert to fraction form
    7,963,669.80/11,945,504.70 = 1,980,037.80/x
  3. Step 3: Cross multiply
    7,963,669.80x = 11,945,504.70 × 1,980,037.80
  4. Step 4: Simplify right side
    7,963,669.80x = 23,652,550,846,077.66
  5. Step 5: Solve for x
    x = 23,652,550,846,077.66/7,963,669.80
  6. Step 6: Final answer
    x = 2,970,056.70

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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.