Finding the Fourth Proportional to 16,155,057.96, 22,293,948.84 and 8,812,888.92
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Solution
The fourth proportional to 16,155,057.96, 22,293,948.84 and 8,812,888.92 is: 12,161,769.72
Step by Step Solution
- Step 1: Write the proportion equation
16,155,057.96 : 22,293,948.84 = 8,812,888.92 : x - Step 2: Convert to fraction form
16,155,057.96/22,293,948.84 = 8,812,888.92/x - Step 3: Cross multiply
16,155,057.96x = 22,293,948.84 × 8,812,888.92 - Step 4: Simplify right side
16,155,057.96x = 196,474,094,715,082.84 - Step 5: Solve for x
x = 196,474,094,715,082.84/16,155,057.96 - Step 6: Final answer
x = 12,161,769.72
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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.