Finding the Fourth Proportional to 16,117,876.71, 22,242,461.09 and 8,775,625.77
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Solution
The fourth proportional to 16,117,876.71, 22,242,461.09 and 8,775,625.77 is: 12,110,249.89
Step by Step Solution
- Step 1: Write the proportion equation
16,117,876.71 : 22,242,461.09 = 8,775,625.77 : x - Step 2: Convert to fraction form
16,117,876.71/22,242,461.09 = 8,775,625.77/x - Step 3: Cross multiply
16,117,876.71x = 22,242,461.09 × 8,775,625.77 - Step 4: Simplify right side
16,117,876.71x = 195,191,514,685,748.16 - Step 5: Solve for x
x = 195,191,514,685,748.16/16,117,876.71 - Step 6: Final answer
x = 12,110,249.89
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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.