Finding the Fourth Proportional to 21,060,744.60, 31,594,069.35 and 8,278,276.35
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Solution
The fourth proportional to 21,060,744.60, 31,594,069.35 and 8,278,276.35 is: 12,418,575.03
Step by Step Solution
- Step 1: Write the proportion equation
21,060,744.60 : 31,594,069.35 = 8,278,276.35 : x - Step 2: Convert to fraction form
21,060,744.60/31,594,069.35 = 8,278,276.35/x - Step 3: Cross multiply
21,060,744.60x = 31,594,069.35 × 8,278,276.35 - Step 4: Simplify right side
21,060,744.60x = 261,544,437,100,364.88 - Step 5: Solve for x
x = 261,544,437,100,364.88/21,060,744.60 - Step 6: Final answer
x = 12,418,575.03
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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.