Finding the Fourth Proportional to 16,862,128.32, 25,253,349.57 and 8,232,138.84
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Solution
The fourth proportional to 16,862,128.32, 25,253,349.57 and 8,232,138.84 is: 12,328,756.84
Step by Step Solution
- Step 1: Write the proportion equation
16,862,128.32 : 25,253,349.57 = 8,232,138.84 : x - Step 2: Convert to fraction form
16,862,128.32/25,253,349.57 = 8,232,138.84/x - Step 3: Cross multiply
16,862,128.32x = 25,253,349.57 × 8,232,138.84 - Step 4: Simplify right side
16,862,128.32x = 207,889,079,835,294.31 - Step 5: Solve for x
x = 207,889,079,835,294.31/16,862,128.32 - Step 6: Final answer
x = 12,328,756.84
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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.