Finding the Fourth Proportional to 14,468,861.44, 21,674,916.06 and 8,390,823.99
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Solution
The fourth proportional to 14,468,861.44, 21,674,916.06 and 8,390,823.99 is: 12,569,780.03
Step by Step Solution
- Step 1: Write the proportion equation
14,468,861.44 : 21,674,916.06 = 8,390,823.99 : x - Step 2: Convert to fraction form
14,468,861.44/21,674,916.06 = 8,390,823.99/x - Step 3: Cross multiply
14,468,861.44x = 21,674,916.06 × 8,390,823.99 - Step 4: Simplify right side
14,468,861.44x = 181,870,405,657,484.28 - Step 5: Solve for x
x = 181,870,405,657,484.28/14,468,861.44 - Step 6: Final answer
x = 12,569,780.03
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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.