Finding the Fourth Proportional to 18,316,846.24, 25,289,077.16 and 11,354,963.68
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Solution
The fourth proportional to 18,316,846.24, 25,289,077.16 and 11,354,963.68 is: 15,677,183.12
Step by Step Solution
- Step 1: Write the proportion equation
18,316,846.24 : 25,289,077.16 = 11,354,963.68 : x - Step 2: Convert to fraction form
18,316,846.24/25,289,077.16 = 11,354,963.68/x - Step 3: Cross multiply
18,316,846.24x = 25,289,077.16 × 11,354,963.68 - Step 4: Simplify right side
18,316,846.24x = 287,156,552,652,517.56 - Step 5: Solve for x
x = 287,156,552,652,517.56/18,316,846.24 - Step 6: Final answer
x = 15,677,183.12
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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.