Finding the Fourth Proportional to 7,824,186.10, 11,727,995.83 and 2,631,852.62
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Solution
The fourth proportional to 7,824,186.10, 11,727,995.83 and 2,631,852.62 is: 3,944,992.63
Step by Step Solution
- Step 1: Write the proportion equation
7,824,186.10 : 11,727,995.83 = 2,631,852.62 : x - Step 2: Convert to fraction form
7,824,186.10/11,727,995.83 = 2,631,852.62/x - Step 3: Cross multiply
7,824,186.10x = 11,727,995.83 × 2,631,852.62 - Step 4: Simplify right side
7,824,186.10x = 30,866,356,497,184.41 - Step 5: Solve for x
x = 30,866,356,497,184.41/7,824,186.10 - Step 6: Final answer
x = 3,944,992.63
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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.