Finding the Fourth Proportional to 18,864,861.53, 26,025,950.63 and 11,893,244.99
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Solution
The fourth proportional to 18,864,861.53, 26,025,950.63 and 11,893,244.99 is: 16,407,913.01
Step by Step Solution
- Step 1: Write the proportion equation
18,864,861.53 : 26,025,950.63 = 11,893,244.99 : x - Step 2: Convert to fraction form
18,864,861.53/26,025,950.63 = 11,893,244.99/x - Step 3: Cross multiply
18,864,861.53x = 26,025,950.63 × 11,893,244.99 - Step 4: Simplify right side
18,864,861.53x = 309,533,006,839,838.19 - Step 5: Solve for x
x = 309,533,006,839,838.19/18,864,861.53 - Step 6: Final answer
x = 16,407,913.01
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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.