Finding the Fourth Proportional to 30,156,531.84, 41,616,072 and 16,405,557.12
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Solution
The fourth proportional to 30,156,531.84, 41,616,072 and 16,405,557.12 is: 22,639,700.41
Step by Step Solution
- Step 1: Write the proportion equation
30,156,531.84 : 41,616,072 = 16,405,557.12 : x - Step 2: Convert to fraction form
30,156,531.84/41,616,072 = 16,405,557.12/x - Step 3: Cross multiply
30,156,531.84x = 41,616,072 × 16,405,557.12 - Step 4: Simplify right side
30,156,531.84x = 682,734,846,306,032.62 - Step 5: Solve for x
x = 682,734,846,306,032.62/30,156,531.84 - Step 6: Final answer
x = 22,639,700.41
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1.5x scale
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.