Finding the Fourth Proportional to 11,711,162.14, 16,161,908.88 and 6,484,170.31
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Solution
The fourth proportional to 11,711,162.14, 16,161,908.88 and 6,484,170.31 is: 8,948,434.70
Step by Step Solution
- Step 1: Write the proportion equation
11,711,162.14 : 16,161,908.88 = 6,484,170.31 : x - Step 2: Convert to fraction form
11,711,162.14/16,161,908.88 = 6,484,170.31/x - Step 3: Cross multiply
11,711,162.14x = 16,161,908.88 × 6,484,170.31 - Step 4: Simplify right side
11,711,162.14x = 104,796,569,712,621.34 - Step 5: Solve for x
x = 104,796,569,712,621.34/11,711,162.14 - Step 6: Final answer
x = 8,948,434.70
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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.