Finding the Fourth Proportional to 36,611,588.62, 54,915,608.12 and 13,587,011.79
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Solution
The fourth proportional to 36,611,588.62, 54,915,608.12 and 13,587,011.79 is: 20,379,859.02
Step by Step Solution
- Step 1: Write the proportion equation
36,611,588.62 : 54,915,608.12 = 13,587,011.79 : x - Step 2: Convert to fraction form
36,611,588.62/54,915,608.12 = 13,587,011.79/x - Step 3: Cross multiply
36,611,588.62x = 54,915,608.12 × 13,587,011.79 - Step 4: Simplify right side
36,611,588.62x = 746,139,014,638,946.62 - Step 5: Solve for x
x = 746,139,014,638,946.62/36,611,588.62 - Step 6: Final answer
x = 20,379,859.02
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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.