Finding the Fourth Proportional to 8,048,964.21, 11,106,562.43 and 5,441,142.38
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Solution
The fourth proportional to 8,048,964.21, 11,106,562.43 and 5,441,142.38 is: 7,508,094.95
Step by Step Solution
- Step 1: Write the proportion equation
8,048,964.21 : 11,106,562.43 = 5,441,142.38 : x - Step 2: Convert to fraction form
8,048,964.21/11,106,562.43 = 5,441,142.38/x - Step 3: Cross multiply
8,048,964.21x = 11,106,562.43 × 5,441,142.38 - Step 4: Simplify right side
8,048,964.21x = 60,432,387,533,019.23 - Step 5: Solve for x
x = 60,432,387,533,019.23/8,048,964.21 - Step 6: Final answer
x = 7,508,094.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.