Finding the Fourth Proportional to 8,617,570.72, 11,891,889.75 and 4,697,240.63
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Solution
The fourth proportional to 8,617,570.72, 11,891,889.75 and 4,697,240.63 is: 6,481,997.02
Step by Step Solution
- Step 1: Write the proportion equation
8,617,570.72 : 11,891,889.75 = 4,697,240.63 : x - Step 2: Convert to fraction form
8,617,570.72/11,891,889.75 = 4,697,240.63/x - Step 3: Cross multiply
8,617,570.72x = 11,891,889.75 × 4,697,240.63 - Step 4: Simplify right side
8,617,570.72x = 55,859,067,701,180.54 - Step 5: Solve for x
x = 55,859,067,701,180.54/8,617,570.72 - Step 6: Final answer
x = 6,481,997.02
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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.