Finding the Fourth Proportional to 21,516,421.44, 32,274,982.32 and 6,163,651.36
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Solution
The fourth proportional to 21,516,421.44, 32,274,982.32 and 6,163,651.36 is: 9,245,577.35
Step by Step Solution
- Step 1: Write the proportion equation
21,516,421.44 : 32,274,982.32 = 6,163,651.36 : x - Step 2: Convert to fraction form
21,516,421.44/32,274,982.32 = 6,163,651.36/x - Step 3: Cross multiply
21,516,421.44x = 32,274,982.32 × 6,163,651.36 - Step 4: Simplify right side
21,516,421.44x = 198,931,738,670,643.97 - Step 5: Solve for x
x = 198,931,738,670,643.97/21,516,421.44 - Step 6: Final answer
x = 9,245,577.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.