Finding the Fourth Proportional to 19,730,361.68, 29,597,914.04 and 6,948,224.72
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Solution
The fourth proportional to 19,730,361.68, 29,597,914.04 and 6,948,224.72 is: 10,423,172.23
Step by Step Solution
- Step 1: Write the proportion equation
19,730,361.68 : 29,597,914.04 = 6,948,224.72 : x - Step 2: Convert to fraction form
19,730,361.68/29,597,914.04 = 6,948,224.72/x - Step 3: Cross multiply
19,730,361.68x = 29,597,914.04 × 6,948,224.72 - Step 4: Simplify right side
19,730,361.68x = 205,652,957,993,163.06 - Step 5: Solve for x
x = 205,652,957,993,163.06/19,730,361.68 - Step 6: Final answer
x = 10,423,172.23
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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.