Finding the Fourth Proportional to 11,826,309.12, 16,320,307.84 and 6,393,799.68
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Solution
The fourth proportional to 11,826,309.12, 16,320,307.84 and 6,393,799.68 is: 8,823,444.24
Step by Step Solution
- Step 1: Write the proportion equation
11,826,309.12 : 16,320,307.84 = 6,393,799.68 : x - Step 2: Convert to fraction form
11,826,309.12/16,320,307.84 = 6,393,799.68/x - Step 3: Cross multiply
11,826,309.12x = 16,320,307.84 × 6,393,799.68 - Step 4: Simplify right side
11,826,309.12x = 104,348,779,044,893.48 - Step 5: Solve for x
x = 104,348,779,044,893.48/11,826,309.12 - Step 6: Final answer
x = 8,823,444.24
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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.