Finding the Fourth Proportional to 8,797,657.63, 12,136,453.24 and 7,634,471.30
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Solution
The fourth proportional to 8,797,657.63, 12,136,453.24 and 7,634,471.30 is: 10,531,826.52
Step by Step Solution
- Step 1: Write the proportion equation
8,797,657.63 : 12,136,453.24 = 7,634,471.30 : x - Step 2: Convert to fraction form
8,797,657.63/12,136,453.24 = 7,634,471.30/x - Step 3: Cross multiply
8,797,657.63x = 12,136,453.24 × 7,634,471.30 - Step 4: Simplify right side
8,797,657.63x = 92,655,403,944,572.02 - Step 5: Solve for x
x = 92,655,403,944,572.02/8,797,657.63 - Step 6: Final answer
x = 10,531,826.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.