Finding the Fourth Proportional to 18,424,750.69, 25,426,013.94 and 10,165,161.09
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Solution
The fourth proportional to 18,424,750.69, 25,426,013.94 and 10,165,161.09 is: 14,027,843.95
Step by Step Solution
- Step 1: Write the proportion equation
18,424,750.69 : 25,426,013.94 = 10,165,161.09 : x - Step 2: Convert to fraction form
18,424,750.69/25,426,013.94 = 10,165,161.09/x - Step 3: Cross multiply
18,424,750.69x = 25,426,013.94 × 10,165,161.09 - Step 4: Simplify right side
18,424,750.69x = 258,459,527,576,685.59 - Step 5: Solve for x
x = 258,459,527,576,685.59/18,424,750.69 - Step 6: Final answer
x = 14,027,843.95
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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.