Finding the Fourth Proportional to 27,715,713.44, 38,228,706.96 and 18,070,985.12
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Solution
The fourth proportional to 27,715,713.44, 38,228,706.96 and 18,070,985.12 is: 24,925,585.85
Step by Step Solution
- Step 1: Write the proportion equation
27,715,713.44 : 38,228,706.96 = 18,070,985.12 : x - Step 2: Convert to fraction form
27,715,713.44/38,228,706.96 = 18,070,985.12/x - Step 3: Cross multiply
27,715,713.44x = 38,228,706.96 × 18,070,985.12 - Step 4: Simplify right side
27,715,713.44x = 690,830,394,631,000.50 - Step 5: Solve for x
x = 690,830,394,631,000.50/27,715,713.44 - Step 6: Final answer
x = 24,925,585.85
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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.