Finding the Fourth Proportional to 12,283,407.02, 18,424,446.60 and 3,763,768.70
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Solution
The fourth proportional to 12,283,407.02, 18,424,446.60 and 3,763,768.70 is: 5,645,449.61
Step by Step Solution
- Step 1: Write the proportion equation
12,283,407.02 : 18,424,446.60 = 3,763,768.70 : x - Step 2: Convert to fraction form
12,283,407.02/18,424,446.60 = 3,763,768.70/x - Step 3: Cross multiply
12,283,407.02x = 18,424,446.60 × 3,763,768.70 - Step 4: Simplify right side
12,283,407.02x = 69,345,355,427,901.43 - Step 5: Solve for x
x = 69,345,355,427,901.43/12,283,407.02 - Step 6: Final answer
x = 5,645,449.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.