Finding the Fourth Proportional to 27,676,988.30, 41,519,444.43 and 8,509,354.58
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Solution
The fourth proportional to 27,676,988.30, 41,519,444.43 and 8,509,354.58 is: 12,765,249.99
Step by Step Solution
- Step 1: Write the proportion equation
27,676,988.30 : 41,519,444.43 = 8,509,354.58 : x - Step 2: Convert to fraction form
27,676,988.30/41,519,444.43 = 8,509,354.58/x - Step 3: Cross multiply
27,676,988.30x = 41,519,444.43 × 8,509,354.58 - Step 4: Simplify right side
27,676,988.30x = 353,303,674,619,476 - Step 5: Solve for x
x = 353,303,674,619,476/27,676,988.30 - Step 6: Final answer
x = 12,765,249.99
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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.