Finding the Fourth Proportional to 18,357,434.44, 27,526,675.64 and 5,401,901.48
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Solution
The fourth proportional to 18,357,434.44, 27,526,675.64 and 5,401,901.48 is: 8,100,063.78
Step by Step Solution
- Step 1: Write the proportion equation
18,357,434.44 : 27,526,675.64 = 5,401,901.48 : x - Step 2: Convert to fraction form
18,357,434.44/27,526,675.64 = 5,401,901.48/x - Step 3: Cross multiply
18,357,434.44x = 27,526,675.64 × 5,401,901.48 - Step 4: Simplify right side
18,357,434.44x = 148,696,389,714,553.06 - Step 5: Solve for x
x = 148,696,389,714,553.06/18,357,434.44 - Step 6: Final answer
x = 8,100,063.78
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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.