Finding the Fourth Proportional to 12,135,363.88, 18,205,760.94 and 4,562,395.24
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Solution
The fourth proportional to 12,135,363.88, 18,205,760.94 and 4,562,395.24 is: 6,844,613.63
Step by Step Solution
- Step 1: Write the proportion equation
12,135,363.88 : 18,205,760.94 = 4,562,395.24 : x - Step 2: Convert to fraction form
12,135,363.88/18,205,760.94 = 4,562,395.24/x - Step 3: Cross multiply
12,135,363.88x = 18,205,760.94 × 4,562,395.24 - Step 4: Simplify right side
12,135,363.88x = 83,061,877,053,233.94 - Step 5: Solve for x
x = 83,061,877,053,233.94/12,135,363.88 - Step 6: Final answer
x = 6,844,613.63
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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.