Finding the Fourth Proportional to 16,261,329.12, 22,440,666.26 and 8,919,222.02
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Solution
The fourth proportional to 16,261,329.12, 22,440,666.26 and 8,919,222.02 is: 12,308,543.98
Step by Step Solution
- Step 1: Write the proportion equation
16,261,329.12 : 22,440,666.26 = 8,919,222.02 : x - Step 2: Convert to fraction form
16,261,329.12/22,440,666.26 = 8,919,222.02/x - Step 3: Cross multiply
16,261,329.12x = 22,440,666.26 × 8,919,222.02 - Step 4: Simplify right side
16,261,329.12x = 200,153,284,649,663.06 - Step 5: Solve for x
x = 200,153,284,649,663.06/16,261,329.12 - Step 6: Final answer
x = 12,308,543.98
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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.