Finding the Fourth Proportional to 7,837,859.55, 11,757,531.29 and 3,045,918.32
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Solution
The fourth proportional to 7,837,859.55, 11,757,531.29 and 3,045,918.32 is: 4,569,165.82
Step by Step Solution
- Step 1: Write the proportion equation
7,837,859.55 : 11,757,531.29 = 3,045,918.32 : x - Step 2: Convert to fraction form
7,837,859.55/11,757,531.29 = 3,045,918.32/x - Step 3: Cross multiply
7,837,859.55x = 11,757,531.29 × 3,045,918.32 - Step 4: Simplify right side
7,837,859.55x = 35,812,479,954,184.23 - Step 5: Solve for x
x = 35,812,479,954,184.23/7,837,859.55 - Step 6: Final answer
x = 4,569,165.82
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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.