Finding the Fourth Proportional to 14,757,492.51, 20,365,367.58 and 8,231,544.63
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Solution
The fourth proportional to 14,757,492.51, 20,365,367.58 and 8,231,544.63 is: 11,359,547.16
Step by Step Solution
- Step 1: Write the proportion equation
14,757,492.51 : 20,365,367.58 = 8,231,544.63 : x - Step 2: Convert to fraction form
14,757,492.51/20,365,367.58 = 8,231,544.63/x - Step 3: Cross multiply
14,757,492.51x = 20,365,367.58 × 8,231,544.63 - Step 4: Simplify right side
14,757,492.51x = 167,638,432,141,125.09 - Step 5: Solve for x
x = 167,638,432,141,125.09/14,757,492.51 - Step 6: Final answer
x = 11,359,547.16
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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.