Finding the Fourth Proportional to 18,314,031.80, 27,471,047.70 and 5,536,508.60
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Solution
The fourth proportional to 18,314,031.80, 27,471,047.70 and 5,536,508.60 is: 8,304,762.90
Step by Step Solution
- Step 1: Write the proportion equation
18,314,031.80 : 27,471,047.70 = 5,536,508.60 : x - Step 2: Convert to fraction form
18,314,031.80/27,471,047.70 = 5,536,508.60/x - Step 3: Cross multiply
18,314,031.80x = 27,471,047.70 × 5,536,508.60 - Step 4: Simplify right side
18,314,031.80x = 152,093,691,842,060.22 - Step 5: Solve for x
x = 152,093,691,842,060.22/18,314,031.80 - Step 6: Final answer
x = 8,304,762.90
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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.