Finding the Fourth Proportional to 14,808,971.67, 20,436,263.24 and 8,282,595.98
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Solution
The fourth proportional to 14,808,971.67, 20,436,263.24 and 8,282,595.98 is: 11,429,916.64
Step by Step Solution
- Step 1: Write the proportion equation
14,808,971.67 : 20,436,263.24 = 8,282,595.98 : x - Step 2: Convert to fraction form
14,808,971.67/20,436,263.24 = 8,282,595.98/x - Step 3: Cross multiply
14,808,971.67x = 20,436,263.24 × 8,282,595.98 - Step 4: Simplify right side
14,808,971.67x = 169,265,311,767,523.44 - Step 5: Solve for x
x = 169,265,311,767,523.44/14,808,971.67 - Step 6: Final answer
x = 11,429,916.64
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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.