Finding the Fourth Proportional to 49,701,375.12, 68,593,913.61 and 28,515,911.61
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Solution
The fourth proportional to 49,701,375.12, 68,593,913.61 and 28,515,911.61 is: 39,355,409.64
Step by Step Solution
- Step 1: Write the proportion equation
49,701,375.12 : 68,593,913.61 = 28,515,911.61 : x - Step 2: Convert to fraction form
49,701,375.12/68,593,913.61 = 28,515,911.61/x - Step 3: Cross multiply
49,701,375.12x = 68,593,913.61 × 28,515,911.61 - Step 4: Simplify right side
49,701,375.12x = 1,956,017,977,486,736 - Step 5: Solve for x
x = 1,956,017,977,486,736/49,701,375.12 - Step 6: Final answer
x = 39,355,409.64
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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.