Finding the Fourth Proportional to 11,700,840.10, 17,551,260.15 and 7,874,464.90
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Solution
The fourth proportional to 11,700,840.10, 17,551,260.15 and 7,874,464.90 is: 11,811,697.35
Step by Step Solution
- Step 1: Write the proportion equation
11,700,840.10 : 17,551,260.15 = 7,874,464.90 : x - Step 2: Convert to fraction form
11,700,840.10/17,551,260.15 = 7,874,464.90/x - Step 3: Cross multiply
11,700,840.10x = 17,551,260.15 × 7,874,464.90 - Step 4: Simplify right side
11,700,840.10x = 138,206,782,001,943.73 - Step 5: Solve for x
x = 138,206,782,001,943.73/11,700,840.10 - Step 6: Final answer
x = 11,811,697.35
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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.