Finding the Fourth Proportional to 10,995,354.57, 16,495,400.63 and 3,318,357.15
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Solution
The fourth proportional to 10,995,354.57, 16,495,400.63 and 3,318,357.15 is: 4,978,250.61
Step by Step Solution
- Step 1: Write the proportion equation
10,995,354.57 : 16,495,400.63 = 3,318,357.15 : x - Step 2: Convert to fraction form
10,995,354.57/16,495,400.63 = 3,318,357.15/x - Step 3: Cross multiply
10,995,354.57x = 16,495,400.63 × 3,318,357.15 - Step 4: Simplify right side
10,995,354.57x = 54,737,630,606,083.22 - Step 5: Solve for x
x = 54,737,630,606,083.22/10,995,354.57 - Step 6: Final answer
x = 4,978,250.61
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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.