Finding the Fourth Proportional to 10,845,645.74, 16,257,691.49 and 5,437,790.70
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Solution
The fourth proportional to 10,845,645.74, 16,257,691.49 and 5,437,790.70 is: 8,151,282.62
Step by Step Solution
- Step 1: Write the proportion equation
10,845,645.74 : 16,257,691.49 = 5,437,790.70 : x - Step 2: Convert to fraction form
10,845,645.74/16,257,691.49 = 5,437,790.70/x - Step 3: Cross multiply
10,845,645.74x = 16,257,691.49 × 5,437,790.70 - Step 4: Simplify right side
10,845,645.74x = 88,405,923,621,672.94 - Step 5: Solve for x
x = 88,405,923,621,672.94/10,845,645.74 - Step 6: Final answer
x = 8,151,282.62
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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.