Finding the Fourth Proportional to 18,232,859.76, 27,349,335.96 and 7,450,160.62
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Solution
The fourth proportional to 18,232,859.76, 27,349,335.96 and 7,450,160.62 is: 11,175,259.86
Step by Step Solution
- Step 1: Write the proportion equation
18,232,859.76 : 27,349,335.96 = 7,450,160.62 : x - Step 2: Convert to fraction form
18,232,859.76/27,349,335.96 = 7,450,160.62/x - Step 3: Cross multiply
18,232,859.76x = 27,349,335.96 × 7,450,160.62 - Step 4: Simplify right side
18,232,859.76x = 203,756,945,752,341.91 - Step 5: Solve for x
x = 203,756,945,752,341.91/18,232,859.76 - Step 6: Final answer
x = 11,175,259.86
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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.