Finding the Fourth Proportional to 21,567,597.84, 32,351,682.96 and 7,190,670.24
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Solution
The fourth proportional to 21,567,597.84, 32,351,682.96 and 7,190,670.24 is: 10,786,100.78
Step by Step Solution
- Step 1: Write the proportion equation
21,567,597.84 : 32,351,682.96 = 7,190,670.24 : x - Step 2: Convert to fraction form
21,567,597.84/32,351,682.96 = 7,190,670.24/x - Step 3: Cross multiply
21,567,597.84x = 32,351,682.96 × 7,190,670.24 - Step 4: Simplify right side
21,567,597.84x = 232,630,283,874,387.12 - Step 5: Solve for x
x = 232,630,283,874,387.12/21,567,597.84 - Step 6: Final answer
x = 10,786,100.78
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1.5x scale
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.