Finding the Fourth Proportional to 11,178,045.05, 16,746,400.43 and 6,371,456.45
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Solution
The fourth proportional to 11,178,045.05, 16,746,400.43 and 6,371,456.45 is: 9,545,404.45
Step by Step Solution
- Step 1: Write the proportion equation
11,178,045.05 : 16,746,400.43 = 6,371,456.45 : x - Step 2: Convert to fraction form
11,178,045.05/16,746,400.43 = 6,371,456.45/x - Step 3: Cross multiply
11,178,045.05x = 16,746,400.43 × 6,371,456.45 - Step 4: Simplify right side
11,178,045.05x = 106,698,961,002,149 - Step 5: Solve for x
x = 106,698,961,002,149/11,178,045.05 - Step 6: Final answer
x = 9,545,404.45
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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.