Finding the Fourth Proportional to 7,013,238.76, 9,676,624.99 and 4,259,849.50
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Solution
The fourth proportional to 7,013,238.76, 9,676,624.99 and 4,259,849.50 is: 5,877,593.43
Step by Step Solution
- Step 1: Write the proportion equation
7,013,238.76 : 9,676,624.99 = 4,259,849.50 : x - Step 2: Convert to fraction form
7,013,238.76/9,676,624.99 = 4,259,849.50/x - Step 3: Cross multiply
7,013,238.76x = 9,676,624.99 × 4,259,849.50 - Step 4: Simplify right side
7,013,238.76x = 41,220,966,055,656.63 - Step 5: Solve for x
x = 41,220,966,055,656.63/7,013,238.76 - Step 6: Final answer
x = 5,877,593.43
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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.