Finding the Fourth Proportional to 8,436,597.77, 12,655,552.79 and 2,757,396.17
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Solution
The fourth proportional to 8,436,597.77, 12,655,552.79 and 2,757,396.17 is: 4,136,308.70
Step by Step Solution
- Step 1: Write the proportion equation
8,436,597.77 : 12,655,552.79 = 2,757,396.17 : x - Step 2: Convert to fraction form
8,436,597.77/12,655,552.79 = 2,757,396.17/x - Step 3: Cross multiply
8,436,597.77x = 12,655,552.79 × 2,757,396.17 - Step 4: Simplify right side
8,436,597.77x = 34,896,372,715,314.07 - Step 5: Solve for x
x = 34,896,372,715,314.07/8,436,597.77 - Step 6: Final answer
x = 4,136,308.70
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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.