Finding the Fourth Proportional to 11,979,943.02, 17,963,520.97 and 6,216,873.92
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Solution
The fourth proportional to 11,979,943.02, 17,963,520.97 and 6,216,873.92 is: 9,321,992.99
Step by Step Solution
- Step 1: Write the proportion equation
11,979,943.02 : 17,963,520.97 = 6,216,873.92 : x - Step 2: Convert to fraction form
11,979,943.02/17,963,520.97 = 6,216,873.92/x - Step 3: Cross multiply
11,979,943.02x = 17,963,520.97 × 6,216,873.92 - Step 4: Simplify right side
11,979,943.02x = 111,676,944,908,864.12 - Step 5: Solve for x
x = 111,676,944,908,864.12/11,979,943.02 - Step 6: Final answer
x = 9,321,992.99
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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.