Finding the Fourth Proportional to 20,706,524.88, 31,059,863.64 and 6,329,536.88
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Solution
The fourth proportional to 20,706,524.88, 31,059,863.64 and 6,329,536.88 is: 9,494,328.65
Step by Step Solution
- Step 1: Write the proportion equation
20,706,524.88 : 31,059,863.64 = 6,329,536.88 : x - Step 2: Convert to fraction form
20,706,524.88/31,059,863.64 = 6,329,536.88/x - Step 3: Cross multiply
20,706,524.88x = 31,059,863.64 × 6,329,536.88 - Step 4: Simplify right side
20,706,524.88x = 196,594,552,397,151.03 - Step 5: Solve for x
x = 196,594,552,397,151.03/20,706,524.88 - Step 6: Final answer
x = 9,494,328.65
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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.