Finding the Fourth Proportional to 7,561,899.63, 11,342,791.13 and 1,882,085.67
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Solution
The fourth proportional to 7,561,899.63, 11,342,791.13 and 1,882,085.67 is: 2,823,113.99
Step by Step Solution
- Step 1: Write the proportion equation
7,561,899.63 : 11,342,791.13 = 1,882,085.67 : x - Step 2: Convert to fraction form
7,561,899.63/11,342,791.13 = 1,882,085.67/x - Step 3: Cross multiply
7,561,899.63x = 11,342,791.13 × 1,882,085.67 - Step 4: Simplify right side
7,561,899.63x = 21,348,104,634,165.68 - Step 5: Solve for x
x = 21,348,104,634,165.68/7,561,899.63 - Step 6: Final answer
x = 2,823,113.99
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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.