Finding the Fourth Proportional to 18,163,220.86, 27,257,598.17 and 16,426,638.77
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Solution
The fourth proportional to 18,163,220.86, 27,257,598.17 and 16,426,638.77 is: 24,651,504.40
Step by Step Solution
- Step 1: Write the proportion equation
18,163,220.86 : 27,257,598.17 = 16,426,638.77 : x - Step 2: Convert to fraction form
18,163,220.86/27,257,598.17 = 16,426,638.77/x - Step 3: Cross multiply
18,163,220.86x = 27,257,598.17 × 16,426,638.77 - Step 4: Simplify right side
18,163,220.86x = 447,750,718,794,269.81 - Step 5: Solve for x
x = 447,750,718,794,269.81/18,163,220.86 - Step 6: Final answer
x = 24,651,504.40
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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.