Finding the Fourth Proportional to 8,647,430.40, 11,933,244 and 4,779,852.12
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Solution
The fourth proportional to 8,647,430.40, 11,933,244 and 4,779,852.12 is: 6,596,079.87
Step by Step Solution
- Step 1: Write the proportion equation
8,647,430.40 : 11,933,244 = 4,779,852.12 : x - Step 2: Convert to fraction form
8,647,430.40/11,933,244 = 4,779,852.12/x - Step 3: Cross multiply
8,647,430.40x = 11,933,244 × 4,779,852.12 - Step 4: Simplify right side
8,647,430.40x = 57,039,141,631,877.28 - Step 5: Solve for x
x = 57,039,141,631,877.28/8,647,430.40 - Step 6: Final answer
x = 6,596,079.87
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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.