Finding the Fourth Proportional to 14,517,436.17, 20,031,717.68 and 8,321,342.76
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Solution
The fourth proportional to 14,517,436.17, 20,031,717.68 and 8,321,342.76 is: 11,482,109.30
Step by Step Solution
- Step 1: Write the proportion equation
14,517,436.17 : 20,031,717.68 = 8,321,342.76 : x - Step 2: Convert to fraction form
14,517,436.17/20,031,717.68 = 8,321,342.76/x - Step 3: Cross multiply
14,517,436.17x = 20,031,717.68 × 8,321,342.76 - Step 4: Simplify right side
14,517,436.17x = 166,690,788,886,832 - Step 5: Solve for x
x = 166,690,788,886,832/14,517,436.17 - Step 6: Final answer
x = 11,482,109.30
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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.