Finding the Fourth Proportional to 15,748,950.23, 21,733,075.41 and 8,684,539.68
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Solution
The fourth proportional to 15,748,950.23, 21,733,075.41 and 8,684,539.68 is: 11,984,402.33
Step by Step Solution
- Step 1: Write the proportion equation
15,748,950.23 : 21,733,075.41 = 8,684,539.68 : x - Step 2: Convert to fraction form
15,748,950.23/21,733,075.41 = 8,684,539.68/x - Step 3: Cross multiply
15,748,950.23x = 21,733,075.41 × 8,684,539.68 - Step 4: Simplify right side
15,748,950.23x = 188,741,755,766,577.25 - Step 5: Solve for x
x = 188,741,755,766,577.25/15,748,950.23 - Step 6: Final answer
x = 11,984,402.33
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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.