Finding the Fourth Proportional to 14,260,869.99, 19,676,922.17 and 8,461,570.50
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Solution
The fourth proportional to 14,260,869.99, 19,676,922.17 and 8,461,570.50 is: 11,675,140.73
Step by Step Solution
- Step 1: Write the proportion equation
14,260,869.99 : 19,676,922.17 = 8,461,570.50 : x - Step 2: Convert to fraction form
14,260,869.99/19,676,922.17 = 8,461,570.50/x - Step 3: Cross multiply
14,260,869.99x = 19,676,922.17 × 8,461,570.50 - Step 4: Simplify right side
14,260,869.99x = 166,497,664,122,160.12 - Step 5: Solve for x
x = 166,497,664,122,160.12/14,260,869.99 - Step 6: Final answer
x = 11,675,140.73
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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.