Finding the Fourth Proportional to 28,015,744.44, 41,937,425.85 and 18,279,392.74
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Solution
The fourth proportional to 28,015,744.44, 41,937,425.85 and 18,279,392.74 is: 27,362,852.32
Step by Step Solution
- Step 1: Write the proportion equation
28,015,744.44 : 41,937,425.85 = 18,279,392.74 : x - Step 2: Convert to fraction form
28,015,744.44/41,937,425.85 = 18,279,392.74/x - Step 3: Cross multiply
28,015,744.44x = 41,937,425.85 × 18,279,392.74 - Step 4: Simplify right side
28,015,744.44x = 766,590,677,595,570.62 - Step 5: Solve for x
x = 766,590,677,595,570.62/28,015,744.44 - Step 6: Final answer
x = 27,362,852.32
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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.