Finding the Fourth Proportional to 16,236,861.40, 22,406,895.19 and 8,894,533.37
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Solution
The fourth proportional to 16,236,861.40, 22,406,895.19 and 8,894,533.37 is: 12,274,470.54
Step by Step Solution
- Step 1: Write the proportion equation
16,236,861.40 : 22,406,895.19 = 8,894,533.37 : x - Step 2: Convert to fraction form
16,236,861.40/22,406,895.19 = 8,894,533.37/x - Step 3: Cross multiply
16,236,861.40x = 22,406,895.19 × 8,894,533.37 - Step 4: Simplify right side
16,236,861.40x = 199,298,876,985,547.47 - Step 5: Solve for x
x = 199,298,876,985,547.47/16,236,861.40 - Step 6: Final answer
x = 12,274,470.54
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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.