Finding the Fourth Proportional to 18,775,361.84, 25,905,558.24 and 10,626,599.84
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Solution
The fourth proportional to 18,775,361.84, 25,905,558.24 and 10,626,599.84 is: 14,662,194.17
Step by Step Solution
- Step 1: Write the proportion equation
18,775,361.84 : 25,905,558.24 = 10,626,599.84 : x - Step 2: Convert to fraction form
18,775,361.84/25,905,558.24 = 10,626,599.84/x - Step 3: Cross multiply
18,775,361.84x = 25,905,558.24 × 10,626,599.84 - Step 4: Simplify right side
18,775,361.84x = 275,288,000,918,766.91 - Step 5: Solve for x
x = 275,288,000,918,766.91/18,775,361.84 - Step 6: Final answer
x = 14,662,194.17
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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.