Finding the Fourth Proportional to 14,259,804.88, 19,678,396.80 and 7,733,578.36
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Solution
The fourth proportional to 14,259,804.88, 19,678,396.80 and 7,733,578.36 is: 10,672,265.50
Step by Step Solution
- Step 1: Write the proportion equation
14,259,804.88 : 19,678,396.80 = 7,733,578.36 : x - Step 2: Convert to fraction form
14,259,804.88/19,678,396.80 = 7,733,578.36/x - Step 3: Cross multiply
14,259,804.88x = 19,678,396.80 × 7,733,578.36 - Step 4: Simplify right side
14,259,804.88x = 152,184,423,651,973.25 - Step 5: Solve for x
x = 152,184,423,651,973.25/14,259,804.88 - Step 6: Final answer
x = 10,672,265.50
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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.