Finding the Fourth Proportional to 18,352,127.70, 27,528,094.35 and 4,705,247.70
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Solution
The fourth proportional to 18,352,127.70, 27,528,094.35 and 4,705,247.70 is: 7,057,846.63
Step by Step Solution
- Step 1: Write the proportion equation
18,352,127.70 : 27,528,094.35 = 4,705,247.70 : x - Step 2: Convert to fraction form
18,352,127.70/27,528,094.35 = 4,705,247.70/x - Step 3: Cross multiply
18,352,127.70x = 27,528,094.35 × 4,705,247.70 - Step 4: Simplify right side
18,352,127.70x = 129,526,502,625,720.50 - Step 5: Solve for x
x = 129,526,502,625,720.50/18,352,127.70 - Step 6: Final answer
x = 7,057,846.63
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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.