Finding the Fourth Proportional to 7,420,881.59, 11,131,163.91 and 2,029,532.01
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Solution
The fourth proportional to 7,420,881.59, 11,131,163.91 and 2,029,532.01 is: 3,044,254.68
Step by Step Solution
- Step 1: Write the proportion equation
7,420,881.59 : 11,131,163.91 = 2,029,532.01 : x - Step 2: Convert to fraction form
7,420,881.59/11,131,163.91 = 2,029,532.01/x - Step 3: Cross multiply
7,420,881.59x = 11,131,163.91 × 2,029,532.01 - Step 4: Simplify right side
7,420,881.59x = 22,591,053,463,901.76 - Step 5: Solve for x
x = 22,591,053,463,901.76/7,420,881.59 - Step 6: Final answer
x = 3,044,254.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.