Finding the Fourth Proportional to 18,338,233.20, 27,507,349.80 and 9,835,177.20
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Solution
The fourth proportional to 18,338,233.20, 27,507,349.80 and 9,835,177.20 is: 14,752,765.80
Step by Step Solution
- Step 1: Write the proportion equation
18,338,233.20 : 27,507,349.80 = 9,835,177.20 : x - Step 2: Convert to fraction form
18,338,233.20/27,507,349.80 = 9,835,177.20/x - Step 3: Cross multiply
18,338,233.20x = 27,507,349.80 × 9,835,177.20 - Step 4: Simplify right side
18,338,233.20x = 270,539,659,585,384.53 - Step 5: Solve for x
x = 270,539,659,585,384.53/18,338,233.20 - Step 6: Final answer
x = 14,752,765.80
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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.