Finding the Fourth Proportional to 6,410,698.08, 8,845,952.79 and 5,107,255.98
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Solution
The fourth proportional to 6,410,698.08, 8,845,952.79 and 5,107,255.98 is: 7,047,367.50
Step by Step Solution
- Step 1: Write the proportion equation
6,410,698.08 : 8,845,952.79 = 5,107,255.98 : x - Step 2: Convert to fraction form
6,410,698.08/8,845,952.79 = 5,107,255.98/x - Step 3: Cross multiply
6,410,698.08x = 8,845,952.79 × 5,107,255.98 - Step 4: Simplify right side
6,410,698.08x = 45,178,545,285,525.18 - Step 5: Solve for x
x = 45,178,545,285,525.18/6,410,698.08 - Step 6: Final answer
x = 7,047,367.50
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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.