Finding the Fourth Proportional to 10,983,828.70, 16,475,743.05 and 5,881,995.10
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Solution
The fourth proportional to 10,983,828.70, 16,475,743.05 and 5,881,995.10 is: 8,822,992.65
Step by Step Solution
- Step 1: Write the proportion equation
10,983,828.70 : 16,475,743.05 = 5,881,995.10 : x - Step 2: Convert to fraction form
10,983,828.70/16,475,743.05 = 5,881,995.10/x - Step 3: Cross multiply
10,983,828.70x = 16,475,743.05 × 5,881,995.10 - Step 4: Simplify right side
10,983,828.70x = 96,910,239,888,959.05 - Step 5: Solve for x
x = 96,910,239,888,959.05/10,983,828.70 - Step 6: Final answer
x = 8,822,992.65
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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.