Finding the Fourth Proportional to 8,659,779.84, 11,950,527.84 and 4,686,051.12
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Solution
The fourth proportional to 8,659,779.84, 11,950,527.84 and 4,686,051.12 is: 6,466,767.68
Step by Step Solution
- Step 1: Write the proportion equation
8,659,779.84 : 11,950,527.84 = 4,686,051.12 : x - Step 2: Convert to fraction form
8,659,779.84/11,950,527.84 = 4,686,051.12/x - Step 3: Cross multiply
8,659,779.84x = 11,950,527.84 × 4,686,051.12 - Step 4: Simplify right side
8,659,779.84x = 56,000,784,369,223.18 - Step 5: Solve for x
x = 56,000,784,369,223.18/8,659,779.84 - Step 6: Final answer
x = 6,466,767.68
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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.