Finding the Fourth Proportional to 13,926,812.22, 19,214,073.99 and 9,100,715.58
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Solution
The fourth proportional to 13,926,812.22, 19,214,073.99 and 9,100,715.58 is: 12,555,767.95
Step by Step Solution
- Step 1: Write the proportion equation
13,926,812.22 : 19,214,073.99 = 9,100,715.58 : x - Step 2: Convert to fraction form
13,926,812.22/19,214,073.99 = 9,100,715.58/x - Step 3: Cross multiply
13,926,812.22x = 19,214,073.99 × 9,100,715.58 - Step 4: Simplify right side
13,926,812.22x = 174,861,822,516,065.75 - Step 5: Solve for x
x = 174,861,822,516,065.75/13,926,812.22 - Step 6: Final answer
x = 12,555,767.95
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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.