Finding the Fourth Proportional to 7,268,793.60, 10,903,190.40 and 4,239,579.90
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Solution
The fourth proportional to 7,268,793.60, 10,903,190.40 and 4,239,579.90 is: 6,359,369.85
Step by Step Solution
- Step 1: Write the proportion equation
7,268,793.60 : 10,903,190.40 = 4,239,579.90 : x - Step 2: Convert to fraction form
7,268,793.60/10,903,190.40 = 4,239,579.90/x - Step 3: Cross multiply
7,268,793.60x = 10,903,190.40 × 4,239,579.90 - Step 4: Simplify right side
7,268,793.60x = 46,224,946,865,712.97 - Step 5: Solve for x
x = 46,224,946,865,712.97/7,268,793.60 - Step 6: Final answer
x = 6,359,369.85
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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.