Finding the Fourth Proportional to 23,013,528.08, 31,770,609.24 and 16,811,610.80
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Solution
The fourth proportional to 23,013,528.08, 31,770,609.24 and 16,811,610.80 is: 23,208,745.55
Step by Step Solution
- Step 1: Write the proportion equation
23,013,528.08 : 31,770,609.24 = 16,811,610.80 : x - Step 2: Convert to fraction form
23,013,528.08/31,770,609.24 = 16,811,610.80/x - Step 3: Cross multiply
23,013,528.08x = 31,770,609.24 × 16,811,610.80 - Step 4: Simplify right side
23,013,528.08x = 534,115,117,421,763.81 - Step 5: Solve for x
x = 534,115,117,421,763.81/23,013,528.08 - Step 6: Final answer
x = 23,208,745.55
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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.