Finding the Fourth Proportional to 21,567,599.34, 32,351,685.21 and 7,190,671.74
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Solution
The fourth proportional to 21,567,599.34, 32,351,685.21 and 7,190,671.74 is: 10,786,103.03
Step by Step Solution
- Step 1: Write the proportion equation
21,567,599.34 : 32,351,685.21 = 7,190,671.74 : x - Step 2: Convert to fraction form
21,567,599.34/32,351,685.21 = 7,190,671.74/x - Step 3: Cross multiply
21,567,599.34x = 32,351,685.21 × 7,190,671.74 - Step 4: Simplify right side
21,567,599.34x = 232,630,348,580,922.97 - Step 5: Solve for x
x = 232,630,348,580,922.97/21,567,599.34 - Step 6: Final answer
x = 10,786,103.03
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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.