Finding the Fourth Proportional to 16,006,309.97, 22,101,440.79 and 14,782,167.70
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Solution
The fourth proportional to 16,006,309.97, 22,101,440.79 and 14,782,167.70 is: 20,411,150.66
Step by Step Solution
- Step 1: Write the proportion equation
16,006,309.97 : 22,101,440.79 = 14,782,167.70 : x - Step 2: Convert to fraction form
16,006,309.97/22,101,440.79 = 14,782,167.70/x - Step 3: Cross multiply
16,006,309.97x = 22,101,440.79 × 14,782,167.70 - Step 4: Simplify right side
16,006,309.97x = 326,707,204,169,580 - Step 5: Solve for x
x = 326,707,204,169,580/16,006,309.97 - Step 6: Final answer
x = 20,411,150.66
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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.