Finding the Fourth Proportional to 16,190,378.74, 22,345,487.04 and 9,664,344.82
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Solution
The fourth proportional to 16,190,378.74, 22,345,487.04 and 9,664,344.82 is: 13,338,445.96
Step by Step Solution
- Step 1: Write the proportion equation
16,190,378.74 : 22,345,487.04 = 9,664,344.82 : x - Step 2: Convert to fraction form
16,190,378.74/22,345,487.04 = 9,664,344.82/x - Step 3: Cross multiply
16,190,378.74x = 22,345,487.04 × 9,664,344.82 - Step 4: Simplify right side
16,190,378.74x = 215,954,491,925,401.12 - Step 5: Solve for x
x = 215,954,491,925,401.12/16,190,378.74 - Step 6: Final answer
x = 13,338,445.96
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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.