Finding the Fourth Proportional to 11,655,605.20, 17,483,407.80 and 8,482,997.20
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Solution
The fourth proportional to 11,655,605.20, 17,483,407.80 and 8,482,997.20 is: 12,724,495.80
Step by Step Solution
- Step 1: Write the proportion equation
11,655,605.20 : 17,483,407.80 = 8,482,997.20 : x - Step 2: Convert to fraction form
11,655,605.20/17,483,407.80 = 8,482,997.20/x - Step 3: Cross multiply
11,655,605.20x = 17,483,407.80 × 8,482,997.20 - Step 4: Simplify right side
11,655,605.20x = 148,311,699,413,858.16 - Step 5: Solve for x
x = 148,311,699,413,858.16/11,655,605.20 - Step 6: Final answer
x = 12,724,495.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.