Finding the Fourth Proportional to 11,916,018.36, 16,444,651.49 and 6,617,737.52
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Solution
The fourth proportional to 11,916,018.36, 16,444,651.49 and 6,617,737.52 is: 9,132,781.08
Step by Step Solution
- Step 1: Write the proportion equation
11,916,018.36 : 16,444,651.49 = 6,617,737.52 : x - Step 2: Convert to fraction form
11,916,018.36/16,444,651.49 = 6,617,737.52/x - Step 3: Cross multiply
11,916,018.36x = 16,444,651.49 × 6,617,737.52 - Step 4: Simplify right side
11,916,018.36x = 108,826,387,053,384.95 - Step 5: Solve for x
x = 108,826,387,053,384.95/11,916,018.36 - Step 6: Final answer
x = 9,132,781.08
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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.