Finding the Fourth Proportional to 14,438,550.36, 19,925,199.68 and 7,912,436.64
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Solution
The fourth proportional to 14,438,550.36, 19,925,199.68 and 7,912,436.64 is: 10,919,162.66
Step by Step Solution
- Step 1: Write the proportion equation
14,438,550.36 : 19,925,199.68 = 7,912,436.64 : x - Step 2: Convert to fraction form
14,438,550.36/19,925,199.68 = 7,912,436.64/x - Step 3: Cross multiply
14,438,550.36x = 19,925,199.68 × 7,912,436.64 - Step 4: Simplify right side
14,438,550.36x = 157,656,880,007,348.28 - Step 5: Solve for x
x = 157,656,880,007,348.28/14,438,550.36 - Step 6: Final answer
x = 10,919,162.66
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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.