Finding the Fourth Proportional to 6,197,262.39, 8,553,236.31 and 5,163,130.32
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Solution
The fourth proportional to 6,197,262.39, 8,553,236.31 and 5,163,130.32 is: 7,125,964.81
Step by Step Solution
- Step 1: Write the proportion equation
6,197,262.39 : 8,553,236.31 = 5,163,130.32 : x - Step 2: Convert to fraction form
6,197,262.39/8,553,236.31 = 5,163,130.32/x - Step 3: Cross multiply
6,197,262.39x = 8,553,236.31 × 5,163,130.32 - Step 4: Simplify right side
6,197,262.39x = 44,161,473,726,285.92 - Step 5: Solve for x
x = 44,161,473,726,285.92/6,197,262.39 - Step 6: Final answer
x = 7,125,964.81
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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.