Finding the Fourth Proportional to 27,117,391.95, 40,676,418.68 and 7,948,536.48
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Solution
The fourth proportional to 27,117,391.95, 40,676,418.68 and 7,948,536.48 is: 11,922,901.67
Step by Step Solution
- Step 1: Write the proportion equation
27,117,391.95 : 40,676,418.68 = 7,948,536.48 : x - Step 2: Convert to fraction form
27,117,391.95/40,676,418.68 = 7,948,536.48/x - Step 3: Cross multiply
27,117,391.95x = 40,676,418.68 × 7,948,536.48 - Step 4: Simplify right side
27,117,391.95x = 323,317,997,713,990.75 - Step 5: Solve for x
x = 323,317,997,713,990.75/27,117,391.95 - Step 6: Final answer
x = 11,922,901.67
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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.