Finding the Fourth Proportional to 16,601,745.29, 22,910,332.48 and 9,159,204.80
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Solution
The fourth proportional to 16,601,745.29, 22,910,332.48 and 9,159,204.80 is: 12,639,660.69
Step by Step Solution
- Step 1: Write the proportion equation
16,601,745.29 : 22,910,332.48 = 9,159,204.80 : x - Step 2: Convert to fraction form
16,601,745.29/22,910,332.48 = 9,159,204.80/x - Step 3: Cross multiply
16,601,745.29x = 22,910,332.48 × 9,159,204.80 - Step 4: Simplify right side
16,601,745.29x = 209,840,427,254,789.72 - Step 5: Solve for x
x = 209,840,427,254,789.72/16,601,745.29 - Step 6: Final answer
x = 12,639,660.69
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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.