Finding the Fourth Proportional to 13,176,369.28, 18,183,201.60 and 7,295,441.52
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Solution
The fourth proportional to 13,176,369.28, 18,183,201.60 and 7,295,441.52 is: 10,067,605.20
Step by Step Solution
- Step 1: Write the proportion equation
13,176,369.28 : 18,183,201.60 = 7,295,441.52 : x - Step 2: Convert to fraction form
13,176,369.28/18,183,201.60 = 7,295,441.52/x - Step 3: Cross multiply
13,176,369.28x = 18,183,201.60 × 7,295,441.52 - Step 4: Simplify right side
13,176,369.28x = 132,654,483,919,170.44 - Step 5: Solve for x
x = 132,654,483,919,170.44/13,176,369.28 - Step 6: Final answer
x = 10,067,605.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.