Finding the Fourth Proportional to 7,060,639.23, 9,713,106.21 and 6,185,533.05
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Solution
The fourth proportional to 7,060,639.23, 9,713,106.21 and 6,185,533.05 is: 8,509,249.31
Step by Step Solution
- Step 1: Write the proportion equation
7,060,639.23 : 9,713,106.21 = 6,185,533.05 : x - Step 2: Convert to fraction form
7,060,639.23/9,713,106.21 = 6,185,533.05/x - Step 3: Cross multiply
7,060,639.23x = 9,713,106.21 × 6,185,533.05 - Step 4: Simplify right side
7,060,639.23x = 60,080,739,480,115.24 - Step 5: Solve for x
x = 60,080,739,480,115.24/7,060,639.23 - Step 6: Final answer
x = 8,509,249.31
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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.