Finding the Fourth Proportional to 13,624,942.38, 20,414,278.35 and 8,222,239.95
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Solution
The fourth proportional to 13,624,942.38, 20,414,278.35 and 8,222,239.95 is: 12,319,398.52
Step by Step Solution
- Step 1: Write the proportion equation
13,624,942.38 : 20,414,278.35 = 8,222,239.95 : x - Step 2: Convert to fraction form
13,624,942.38/20,414,278.35 = 8,222,239.95/x - Step 3: Cross multiply
13,624,942.38x = 20,414,278.35 × 8,222,239.95 - Step 4: Simplify right side
13,624,942.38x = 167,851,094,999,790.09 - Step 5: Solve for x
x = 167,851,094,999,790.09/13,624,942.38 - Step 6: Final answer
x = 12,319,398.52
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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.