Finding the Fourth Proportional to 25,782,415.80, 38,701,617.30 and 16,208,604.60
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Solution
The fourth proportional to 25,782,415.80, 38,701,617.30 and 16,208,604.60 is: 24,330,505.61
Step by Step Solution
- Step 1: Write the proportion equation
25,782,415.80 : 38,701,617.30 = 16,208,604.60 : x - Step 2: Convert to fraction form
25,782,415.80/38,701,617.30 = 16,208,604.60/x - Step 3: Cross multiply
25,782,415.80x = 38,701,617.30 × 16,208,604.60 - Step 4: Simplify right side
25,782,415.80x = 627,299,212,196,219.50 - Step 5: Solve for x
x = 627,299,212,196,219.50/25,782,415.80 - Step 6: Final answer
x = 24,330,505.61
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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.