Finding the Fourth Proportional to 18,189,431.10, 27,287,937.45 and 6,062,661.90
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Solution
The fourth proportional to 18,189,431.10, 27,287,937.45 and 6,062,661.90 is: 9,095,256.35
Step by Step Solution
- Step 1: Write the proportion equation
18,189,431.10 : 27,287,937.45 = 6,062,661.90 : x - Step 2: Convert to fraction form
18,189,431.10/27,287,937.45 = 6,062,661.90/x - Step 3: Cross multiply
18,189,431.10x = 27,287,937.45 × 6,062,661.90 - Step 4: Simplify right side
18,189,431.10x = 165,437,538,707,698.16 - Step 5: Solve for x
x = 165,437,538,707,698.16/18,189,431.10 - Step 6: Final answer
x = 9,095,256.35
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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.