Finding the Fourth Proportional to 10,629,534.80, 15,940,390.17 and 8,359,494.44
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Solution
The fourth proportional to 10,629,534.80, 15,940,390.17 and 8,359,494.44 is: 12,536,165.08
Step by Step Solution
- Step 1: Write the proportion equation
10,629,534.80 : 15,940,390.17 = 8,359,494.44 : x - Step 2: Convert to fraction form
10,629,534.80/15,940,390.17 = 8,359,494.44/x - Step 3: Cross multiply
10,629,534.80x = 15,940,390.17 × 8,359,494.44 - Step 4: Simplify right side
10,629,534.80x = 133,253,602,997,545.66 - Step 5: Solve for x
x = 133,253,602,997,545.66/10,629,534.80 - Step 6: Final answer
x = 12,536,165.08
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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.