Finding the Fourth Proportional to 16,207,053.79, 22,364,521.76 and 8,864,507.47
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Solution
The fourth proportional to 16,207,053.79, 22,364,521.76 and 8,864,507.47 is: 12,232,357.14
Step by Step Solution
- Step 1: Write the proportion equation
16,207,053.79 : 22,364,521.76 = 8,864,507.47 : x - Step 2: Convert to fraction form
16,207,053.79/22,364,521.76 = 8,864,507.47/x - Step 3: Cross multiply
16,207,053.79x = 22,364,521.76 × 8,864,507.47 - Step 4: Simplify right side
16,207,053.79x = 198,250,470,204,497.56 - Step 5: Solve for x
x = 198,250,470,204,497.56/16,207,053.79 - Step 6: Final answer
x = 12,232,357.14
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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.