Finding the Fourth Proportional to 8,392,514.79, 12,588,772.17 and 5,551,962.63
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Solution
The fourth proportional to 8,392,514.79, 12,588,772.17 and 5,551,962.63 is: 8,327,943.94
Step by Step Solution
- Step 1: Write the proportion equation
8,392,514.79 : 12,588,772.17 = 5,551,962.63 : x - Step 2: Convert to fraction form
8,392,514.79/12,588,772.17 = 5,551,962.63/x - Step 3: Cross multiply
8,392,514.79x = 12,588,772.17 × 5,551,962.63 - Step 4: Simplify right side
8,392,514.79x = 69,892,392,645,424.01 - Step 5: Solve for x
x = 69,892,392,645,424.01/8,392,514.79 - Step 6: Final answer
x = 8,327,943.94
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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.