Finding the Fourth Proportional to 14,486,749.72, 19,990,544.52 and 8,375,571.88
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Solution
The fourth proportional to 14,486,749.72, 19,990,544.52 and 8,375,571.88 is: 11,557,612.70
Step by Step Solution
- Step 1: Write the proportion equation
14,486,749.72 : 19,990,544.52 = 8,375,571.88 : x - Step 2: Convert to fraction form
14,486,749.72/19,990,544.52 = 8,375,571.88/x - Step 3: Cross multiply
14,486,749.72x = 19,990,544.52 × 8,375,571.88 - Step 4: Simplify right side
14,486,749.72x = 167,432,242,547,600.09 - Step 5: Solve for x
x = 167,432,242,547,600.09/14,486,749.72 - Step 6: Final answer
x = 11,557,612.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.