Finding the Fourth Proportional to 13,747,035.41, 18,968,799.99 and 7,944,696.60
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Solution
The fourth proportional to 13,747,035.41, 18,968,799.99 and 7,944,696.60 is: 10,962,462.55
Step by Step Solution
- Step 1: Write the proportion equation
13,747,035.41 : 18,968,799.99 = 7,944,696.60 : x - Step 2: Convert to fraction form
13,747,035.41/18,968,799.99 = 7,944,696.60/x - Step 3: Cross multiply
13,747,035.41x = 18,968,799.99 × 7,944,696.60 - Step 4: Simplify right side
13,747,035.41x = 150,701,360,816,425.62 - Step 5: Solve for x
x = 150,701,360,816,425.62/13,747,035.41 - Step 6: Final answer
x = 10,962,462.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.