Finding the Fourth Proportional to 12,085,092.28, 18,121,391.70 and 3,564,341.56
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Solution
The fourth proportional to 12,085,092.28, 18,121,391.70 and 3,564,341.56 is: 5,344,669.95
Step by Step Solution
- Step 1: Write the proportion equation
12,085,092.28 : 18,121,391.70 = 3,564,341.56 : x - Step 2: Convert to fraction form
12,085,092.28/18,121,391.70 = 3,564,341.56/x - Step 3: Cross multiply
12,085,092.28x = 18,121,391.70 × 3,564,341.56 - Step 4: Simplify right side
12,085,092.28x = 64,590,829,561,349.05 - Step 5: Solve for x
x = 64,590,829,561,349.05/12,085,092.28 - Step 6: Final answer
x = 5,344,669.95
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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.