Finding the Fourth Proportional to 14,369,467.68, 21,557,633.30 and 4,784,929.25
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Solution
The fourth proportional to 14,369,467.68, 21,557,633.30 and 4,784,929.25 is: 7,178,536.62
Step by Step Solution
- Step 1: Write the proportion equation
14,369,467.68 : 21,557,633.30 = 4,784,929.25 : x - Step 2: Convert to fraction form
14,369,467.68/21,557,633.30 = 4,784,929.25/x - Step 3: Cross multiply
14,369,467.68x = 21,557,633.30 × 4,784,929.25 - Step 4: Simplify right side
14,369,467.68x = 103,151,750,006,231.22 - Step 5: Solve for x
x = 103,151,750,006,231.22/14,369,467.68 - Step 6: Final answer
x = 7,178,536.62
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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.