Finding the Fourth Proportional to 7,729,318.24, 11,595,450.16 and 3,118,670.24
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Solution
The fourth proportional to 7,729,318.24, 11,595,450.16 and 3,118,670.24 is: 4,678,599.61
Step by Step Solution
- Step 1: Write the proportion equation
7,729,318.24 : 11,595,450.16 = 3,118,670.24 : x - Step 2: Convert to fraction form
7,729,318.24/11,595,450.16 = 3,118,670.24/x - Step 3: Cross multiply
7,729,318.24x = 11,595,450.16 × 3,118,670.24 - Step 4: Simplify right side
7,729,318.24x = 36,162,385,333,395.24 - Step 5: Solve for x
x = 36,162,385,333,395.24/7,729,318.24 - Step 6: Final answer
x = 4,678,599.61
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1.5x scale
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.