Finding the Fourth Proportional to 21,567,598.84, 32,351,684.46 and 7,190,671.24
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Solution
The fourth proportional to 21,567,598.84, 32,351,684.46 and 7,190,671.24 is: 10,786,102.28
Step by Step Solution
- Step 1: Write the proportion equation
21,567,598.84 : 32,351,684.46 = 7,190,671.24 : x - Step 2: Convert to fraction form
21,567,598.84/32,351,684.46 = 7,190,671.24/x - Step 3: Cross multiply
21,567,598.84x = 32,351,684.46 × 7,190,671.24 - Step 4: Simplify right side
21,567,598.84x = 232,630,327,012,076.94 - Step 5: Solve for x
x = 232,630,327,012,076.94/21,567,598.84 - Step 6: Final answer
x = 10,786,102.28
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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.