Finding the Fourth Proportional to 18,302,029.69, 27,434,858.14 and 9,176,274.31
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Solution
The fourth proportional to 18,302,029.69, 27,434,858.14 and 9,176,274.31 is: 13,755,293.17
Step by Step Solution
- Step 1: Write the proportion equation
18,302,029.69 : 27,434,858.14 = 9,176,274.31 : x - Step 2: Convert to fraction form
18,302,029.69/27,434,858.14 = 9,176,274.31/x - Step 3: Cross multiply
18,302,029.69x = 27,434,858.14 × 9,176,274.31 - Step 4: Simplify right side
18,302,029.69x = 251,749,783,948,576.41 - Step 5: Solve for x
x = 251,749,783,948,576.41/18,302,029.69 - Step 6: Final answer
x = 13,755,293.17
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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.