Finding the Fourth Proportional to 7,994,140.94, 11,991,099.99 and 1,928,821.74
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Solution
The fourth proportional to 7,994,140.94, 11,991,099.99 and 1,928,821.74 is: 2,893,205.73
Step by Step Solution
- Step 1: Write the proportion equation
7,994,140.94 : 11,991,099.99 = 1,928,821.74 : x - Step 2: Convert to fraction form
7,994,140.94/11,991,099.99 = 1,928,821.74/x - Step 3: Cross multiply
7,994,140.94x = 11,991,099.99 × 1,928,821.74 - Step 4: Simplify right side
7,994,140.94x = 23,128,694,347,225.78 - Step 5: Solve for x
x = 23,128,694,347,225.78/7,994,140.94 - Step 6: Final answer
x = 2,893,205.73
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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.