Finding the Fourth Proportional to 10,351,471.60, 15,515,543.40 and 4,962,703.60
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Solution
The fourth proportional to 10,351,471.60, 15,515,543.40 and 4,962,703.60 is: 7,438,463.44
Step by Step Solution
- Step 1: Write the proportion equation
10,351,471.60 : 15,515,543.40 = 4,962,703.60 : x - Step 2: Convert to fraction form
10,351,471.60/15,515,543.40 = 4,962,703.60/x - Step 3: Cross multiply
10,351,471.60x = 15,515,543.40 × 4,962,703.60 - Step 4: Simplify right side
10,351,471.60x = 76,999,043,087,136.23 - Step 5: Solve for x
x = 76,999,043,087,136.23/10,351,471.60 - Step 6: Final answer
x = 7,438,463.44
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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.