Finding the Fourth Proportional to 11,215,585.15, 15,481,186.26 and 6,805,510.58
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Solution
The fourth proportional to 11,215,585.15, 15,481,186.26 and 6,805,510.58 is: 9,393,836.84
Step by Step Solution
- Step 1: Write the proportion equation
11,215,585.15 : 15,481,186.26 = 6,805,510.58 : x - Step 2: Convert to fraction form
11,215,585.15/15,481,186.26 = 6,805,510.58/x - Step 3: Cross multiply
11,215,585.15x = 15,481,186.26 × 6,805,510.58 - Step 4: Simplify right side
11,215,585.15x = 105,357,376,896,562.92 - Step 5: Solve for x
x = 105,357,376,896,562.92/11,215,585.15 - Step 6: Final answer
x = 9,393,836.84
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1.5x scale
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.