Finding the Fourth Proportional to 14,752,038.62, 20,357,310.39 and 8,136,889.19
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Solution
The fourth proportional to 14,752,038.62, 20,357,310.39 and 8,136,889.19 is: 11,228,629.69
Step by Step Solution
- Step 1: Write the proportion equation
14,752,038.62 : 20,357,310.39 = 8,136,889.19 : x - Step 2: Convert to fraction form
14,752,038.62/20,357,310.39 = 8,136,889.19/x - Step 3: Cross multiply
14,752,038.62x = 20,357,310.39 × 8,136,889.19 - Step 4: Simplify right side
14,752,038.62x = 165,645,178,748,079.12 - Step 5: Solve for x
x = 165,645,178,748,079.12/14,752,038.62 - Step 6: Final answer
x = 11,228,629.69
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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.