Finding the Fourth Proportional to 16,112,149.86, 22,235,239.36 and 8,770,461.88
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Solution
The fourth proportional to 16,112,149.86, 22,235,239.36 and 8,770,461.88 is: 12,103,494.62
Step by Step Solution
- Step 1: Write the proportion equation
16,112,149.86 : 22,235,239.36 = 8,770,461.88 : x - Step 2: Convert to fraction form
16,112,149.86/22,235,239.36 = 8,770,461.88/x - Step 3: Cross multiply
16,112,149.86x = 22,235,239.36 × 8,770,461.88 - Step 4: Simplify right side
16,112,149.86x = 195,013,319,199,555.62 - Step 5: Solve for x
x = 195,013,319,199,555.62/16,112,149.86 - Step 6: Final answer
x = 12,103,494.62
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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.