Finding the Fourth Proportional to 11,415,609.01, 15,754,184.84 and 6,772,143.27
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Solution
The fourth proportional to 11,415,609.01, 15,754,184.84 and 6,772,143.27 is: 9,345,940.00
Step by Step Solution
- Step 1: Write the proportion equation
11,415,609.01 : 15,754,184.84 = 6,772,143.27 : x - Step 2: Convert to fraction form
11,415,609.01/15,754,184.84 = 6,772,143.27/x - Step 3: Cross multiply
11,415,609.01x = 15,754,184.84 × 6,772,143.27 - Step 4: Simplify right side
11,415,609.01x = 106,689,596,914,550.56 - Step 5: Solve for x
x = 106,689,596,914,550.56/11,415,609.01 - Step 6: Final answer
x = 9,345,940.00
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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.