Finding the Fourth Proportional to 12,696,893.48, 17,524,502.88 and 8,346,381.68
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Solution
The fourth proportional to 12,696,893.48, 17,524,502.88 and 8,346,381.68 is: 11,519,840.66
Step by Step Solution
- Step 1: Write the proportion equation
12,696,893.48 : 17,524,502.88 = 8,346,381.68 : x - Step 2: Convert to fraction form
12,696,893.48/17,524,502.88 = 8,346,381.68/x - Step 3: Cross multiply
12,696,893.48x = 17,524,502.88 × 8,346,381.68 - Step 4: Simplify right side
12,696,893.48x = 146,266,189,788,739.22 - Step 5: Solve for x
x = 146,266,189,788,739.22/12,696,893.48 - Step 6: Final answer
x = 11,519,840.66
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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.