Finding the Fourth Proportional to 14,408,550.48, 19,884,879.36 and 8,213,745.12
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Solution
The fourth proportional to 14,408,550.48, 19,884,879.36 and 8,213,745.12 is: 11,335,583.76
Step by Step Solution
- Step 1: Write the proportion equation
14,408,550.48 : 19,884,879.36 = 8,213,745.12 : x - Step 2: Convert to fraction form
14,408,550.48/19,884,879.36 = 8,213,745.12/x - Step 3: Cross multiply
14,408,550.48x = 19,884,879.36 × 8,213,745.12 - Step 4: Simplify right side
14,408,550.48x = 163,329,330,804,988.72 - Step 5: Solve for x
x = 163,329,330,804,988.72/14,408,550.48 - Step 6: Final answer
x = 11,335,583.76
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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.