Finding the Fourth Proportional to 38,613,618.80, 57,883,564.20 and 14,346,047.60
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Solution
The fourth proportional to 38,613,618.80, 57,883,564.20 and 14,346,047.60 is: 21,505,375.39
Step by Step Solution
- Step 1: Write the proportion equation
38,613,618.80 : 57,883,564.20 = 14,346,047.60 : x - Step 2: Convert to fraction form
38,613,618.80/57,883,564.20 = 14,346,047.60/x - Step 3: Cross multiply
38,613,618.80x = 57,883,564.20 × 14,346,047.60 - Step 4: Simplify right side
38,613,618.80x = 830,400,367,270,856 - Step 5: Solve for x
x = 830,400,367,270,856/38,613,618.80 - Step 6: Final answer
x = 21,505,375.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.