Finding the Fourth Proportional to 16,124,531.88, 22,252,365.08 and 8,782,586.98
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Solution
The fourth proportional to 16,124,531.88, 22,252,365.08 and 8,782,586.98 is: 12,120,248.41
Step by Step Solution
- Step 1: Write the proportion equation
16,124,531.88 : 22,252,365.08 = 8,782,586.98 : x - Step 2: Convert to fraction form
16,124,531.88/22,252,365.08 = 8,782,586.98/x - Step 3: Cross multiply
16,124,531.88x = 22,252,365.08 × 8,782,586.98 - Step 4: Simplify right side
16,124,531.88x = 195,433,331,825,814.66 - Step 5: Solve for x
x = 195,433,331,825,814.66/16,124,531.88 - Step 6: Final answer
x = 12,120,248.41
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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.