Finding the Fourth Proportional to 12,552,897.99, 18,836,611.49 and 5,265,705.13
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Solution
The fourth proportional to 12,552,897.99, 18,836,611.49 and 5,265,705.13 is: 7,901,605.02
Step by Step Solution
- Step 1: Write the proportion equation
12,552,897.99 : 18,836,611.49 = 5,265,705.13 : x - Step 2: Convert to fraction form
12,552,897.99/18,836,611.49 = 5,265,705.13/x - Step 3: Cross multiply
12,552,897.99x = 18,836,611.49 × 5,265,705.13 - Step 4: Simplify right side
12,552,897.99x = 99,188,041,754,709.94 - Step 5: Solve for x
x = 99,188,041,754,709.94/12,552,897.99 - Step 6: Final answer
x = 7,901,605.02
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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.