Finding the Fourth Proportional to 19,115,296.22, 26,379,005.28 and 10,413,447.96
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Solution
The fourth proportional to 19,115,296.22, 26,379,005.28 and 10,413,447.96 is: 14,370,501.80
Step by Step Solution
- Step 1: Write the proportion equation
19,115,296.22 : 26,379,005.28 = 10,413,447.96 : x - Step 2: Convert to fraction form
19,115,296.22/26,379,005.28 = 10,413,447.96/x - Step 3: Cross multiply
19,115,296.22x = 26,379,005.28 × 10,413,447.96 - Step 4: Simplify right side
19,115,296.22x = 274,696,398,719,845.25 - Step 5: Solve for x
x = 274,696,398,719,845.25/19,115,296.22 - Step 6: Final answer
x = 14,370,501.80
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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.