Finding the Fourth Proportional to 10,218,812.79, 15,310,867.56 and 6,166,786.17
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Solution
The fourth proportional to 10,218,812.79, 15,310,867.56 and 6,166,786.17 is: 9,239,708.00
Step by Step Solution
- Step 1: Write the proportion equation
10,218,812.79 : 15,310,867.56 = 6,166,786.17 : x - Step 2: Convert to fraction form
10,218,812.79/15,310,867.56 = 6,166,786.17/x - Step 3: Cross multiply
10,218,812.79x = 15,310,867.56 × 6,166,786.17 - Step 4: Simplify right side
10,218,812.79x = 94,418,846,319,709.64 - Step 5: Solve for x
x = 94,418,846,319,709.64/10,218,812.79 - Step 6: Final answer
x = 9,239,708.00
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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.