Finding the Fourth Proportional to 14,786,935.51, 20,376,903.14 and 11,306,218.09
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Solution
The fourth proportional to 14,786,935.51, 20,376,903.14 and 11,306,218.09 is: 15,580,355.43
Step by Step Solution
- Step 1: Write the proportion equation
14,786,935.51 : 20,376,903.14 = 11,306,218.09 : x - Step 2: Convert to fraction form
14,786,935.51/20,376,903.14 = 11,306,218.09/x - Step 3: Cross multiply
14,786,935.51x = 20,376,903.14 × 11,306,218.09 - Step 4: Simplify right side
14,786,935.51x = 230,385,710,899,645.81 - Step 5: Solve for x
x = 230,385,710,899,645.81/14,786,935.51 - Step 6: Final answer
x = 15,580,355.43
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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.