Finding the Fourth Proportional to 12,391,912.08, 18,595,149.48 and 5,202,893.12
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Solution
The fourth proportional to 12,391,912.08, 18,595,149.48 and 5,202,893.12 is: 7,807,396.85
Step by Step Solution
- Step 1: Write the proportion equation
12,391,912.08 : 18,595,149.48 = 5,202,893.12 : x - Step 2: Convert to fraction form
12,391,912.08/18,595,149.48 = 5,202,893.12/x - Step 3: Cross multiply
12,391,912.08x = 18,595,149.48 × 5,202,893.12 - Step 4: Simplify right side
12,391,912.08x = 96,748,575,294,863.58 - Step 5: Solve for x
x = 96,748,575,294,863.58/12,391,912.08 - Step 6: Final answer
x = 7,807,396.85
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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.