Finding the Fourth Proportional to 12,298,233.36, 18,458,543.68 and 6,545,795.88
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Solution
The fourth proportional to 12,298,233.36, 18,458,543.68 and 6,545,795.88 is: 9,824,651.69
Step by Step Solution
- Step 1: Write the proportion equation
12,298,233.36 : 18,458,543.68 = 6,545,795.88 : x - Step 2: Convert to fraction form
12,298,233.36/18,458,543.68 = 6,545,795.88/x - Step 3: Cross multiply
12,298,233.36x = 18,458,543.68 × 6,545,795.88 - Step 4: Simplify right side
12,298,233.36x = 120,825,859,171,344.03 - Step 5: Solve for x
x = 120,825,859,171,344.03/12,298,233.36 - Step 6: Final answer
x = 9,824,651.69
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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.