Finding the Fourth Proportional to 38,268,129.60, 57,382,495.20 and 11,338,286.40
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Solution
The fourth proportional to 38,268,129.60, 57,382,495.20 and 11,338,286.40 is: 17,001,593.02
Step by Step Solution
- Step 1: Write the proportion equation
38,268,129.60 : 57,382,495.20 = 11,338,286.40 : x - Step 2: Convert to fraction form
38,268,129.60/57,382,495.20 = 11,338,286.40/x - Step 3: Cross multiply
38,268,129.60x = 57,382,495.20 × 11,338,286.40 - Step 4: Simplify right side
38,268,129.60x = 650,619,164,924,225.38 - Step 5: Solve for x
x = 650,619,164,924,225.38/38,268,129.60 - Step 6: Final answer
x = 17,001,593.02
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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.