Finding the Fourth Proportional to 8,242,854.24, 11,362,000.42 and 6,497,679.88
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Solution
The fourth proportional to 8,242,854.24, 11,362,000.42 and 6,497,679.88 is: 8,956,441.47
Step by Step Solution
- Step 1: Write the proportion equation
8,242,854.24 : 11,362,000.42 = 6,497,679.88 : x - Step 2: Convert to fraction form
8,242,854.24/11,362,000.42 = 6,497,679.88/x - Step 3: Cross multiply
8,242,854.24x = 11,362,000.42 × 6,497,679.88 - Step 4: Simplify right side
8,242,854.24x = 73,826,641,525,585.55 - Step 5: Solve for x
x = 73,826,641,525,585.55/8,242,854.24 - Step 6: Final answer
x = 8,956,441.47
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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.