Finding the Fourth Proportional to 13,656,336.80, 18,845,524.80 and 7,461,250.38
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Solution
The fourth proportional to 13,656,336.80, 18,845,524.80 and 7,461,250.38 is: 10,296,405.34
Step by Step Solution
- Step 1: Write the proportion equation
13,656,336.80 : 18,845,524.80 = 7,461,250.38 : x - Step 2: Convert to fraction form
13,656,336.80/18,845,524.80 = 7,461,250.38/x - Step 3: Cross multiply
13,656,336.80x = 18,845,524.80 × 7,461,250.38 - Step 4: Simplify right side
13,656,336.80x = 140,611,179,075,299.42 - Step 5: Solve for x
x = 140,611,179,075,299.42/13,656,336.80 - Step 6: Final answer
x = 10,296,405.34
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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.