Finding the Fourth Proportional to 18,232,864.76, 27,349,343.48 and 7,450,165.64
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Solution
The fourth proportional to 18,232,864.76, 27,349,343.48 and 7,450,165.64 is: 11,175,267.40
Step by Step Solution
- Step 1: Write the proportion equation
18,232,864.76 : 27,349,343.48 = 7,450,165.64 : x - Step 2: Convert to fraction form
18,232,864.76/27,349,343.48 = 7,450,165.64/x - Step 3: Cross multiply
18,232,864.76x = 27,349,343.48 × 7,450,165.64 - Step 4: Simplify right side
18,232,864.76x = 203,757,139,071,254.03 - Step 5: Solve for x
x = 203,757,139,071,254.03/18,232,864.76 - Step 6: Final answer
x = 11,175,267.40
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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.