Finding the Fourth Proportional to 13,500,940.68, 18,631,156.19 and 7,305,851.79
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Solution
The fourth proportional to 13,500,940.68, 18,631,156.19 and 7,305,851.79 is: 10,081,998.65
Step by Step Solution
- Step 1: Write the proportion equation
13,500,940.68 : 18,631,156.19 = 7,305,851.79 : x - Step 2: Convert to fraction form
13,500,940.68/18,631,156.19 = 7,305,851.79/x - Step 3: Cross multiply
13,500,940.68x = 18,631,156.19 × 7,305,851.79 - Step 4: Simplify right side
13,500,940.68x = 136,116,465,763,951.81 - Step 5: Solve for x
x = 136,116,465,763,951.81/13,500,940.68 - Step 6: Final answer
x = 10,081,998.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.