Finding the Fourth Proportional to 11,006,242.17, 16,435,249.53 and 8,988,491.67
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Solution
The fourth proportional to 11,006,242.17, 16,435,249.53 and 8,988,491.67 is: 13,422,210.89
Step by Step Solution
- Step 1: Write the proportion equation
11,006,242.17 : 16,435,249.53 = 8,988,491.67 : x - Step 2: Convert to fraction form
11,006,242.17/16,435,249.53 = 8,988,491.67/x - Step 3: Cross multiply
11,006,242.17x = 16,435,249.53 × 8,988,491.67 - Step 4: Simplify right side
11,006,242.17x = 147,728,103,494,776.41 - Step 5: Solve for x
x = 147,728,103,494,776.41/11,006,242.17 - Step 6: Final answer
x = 13,422,210.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.