Finding the Fourth Proportional to 39,454,134.24, 54,444,359.46 and 21,811,980.69
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Solution
The fourth proportional to 39,454,134.24, 54,444,359.46 and 21,811,980.69 is: 30,099,236.50
Step by Step Solution
- Step 1: Write the proportion equation
39,454,134.24 : 54,444,359.46 = 21,811,980.69 : x - Step 2: Convert to fraction form
39,454,134.24/54,444,359.46 = 21,811,980.69/x - Step 3: Cross multiply
39,454,134.24x = 54,444,359.46 × 21,811,980.69 - Step 4: Simplify right side
39,454,134.24x = 1,187,539,317,220,939 - Step 5: Solve for x
x = 1,187,539,317,220,939/39,454,134.24 - Step 6: Final answer
x = 30,099,236.50
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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.