Finding the Fourth Proportional to 15,669,479.35, 23,504,391.15 and 4,739,779.99
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Solution
The fourth proportional to 15,669,479.35, 23,504,391.15 and 4,739,779.99 is: 7,109,722.05
Step by Step Solution
- Step 1: Write the proportion equation
15,669,479.35 : 23,504,391.15 = 4,739,779.99 : x - Step 2: Convert to fraction form
15,669,479.35/23,504,391.15 = 4,739,779.99/x - Step 3: Cross multiply
15,669,479.35x = 23,504,391.15 × 4,739,779.99 - Step 4: Simplify right side
15,669,479.35x = 111,405,642,849,903.09 - Step 5: Solve for x
x = 111,405,642,849,903.09/15,669,479.35 - Step 6: Final answer
x = 7,109,722.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.