Finding the Fourth Proportional to 15,328,217.68, 22,966,299.09 and 9,250,177.75
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Solution
The fourth proportional to 15,328,217.68, 22,966,299.09 and 9,250,177.75 is: 13,859,559.75
Step by Step Solution
- Step 1: Write the proportion equation
15,328,217.68 : 22,966,299.09 = 9,250,177.75 : x - Step 2: Convert to fraction form
15,328,217.68/22,966,299.09 = 9,250,177.75/x - Step 3: Cross multiply
15,328,217.68x = 22,966,299.09 × 9,250,177.75 - Step 4: Simplify right side
15,328,217.68x = 212,442,348,784,747.50 - Step 5: Solve for x
x = 212,442,348,784,747.50/15,328,217.68 - Step 6: Final answer
x = 13,859,559.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.