Finding the Fourth Proportional to 12,664,516.33, 17,477,047.65 and 6,863,298.09
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Solution
The fourth proportional to 12,664,516.33, 17,477,047.65 and 6,863,298.09 is: 9,471,359.56
Step by Step Solution
- Step 1: Write the proportion equation
12,664,516.33 : 17,477,047.65 = 6,863,298.09 : x - Step 2: Convert to fraction form
12,664,516.33/17,477,047.65 = 6,863,298.09/x - Step 3: Cross multiply
12,664,516.33x = 17,477,047.65 × 6,863,298.09 - Step 4: Simplify right side
12,664,516.33x = 119,950,187,755,083.97 - Step 5: Solve for x
x = 119,950,187,755,083.97/12,664,516.33 - Step 6: Final answer
x = 9,471,359.56
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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.