Finding the Fourth Proportional to 39,362,025.74, 54,330,399.63 and 22,847,470.79
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Solution
The fourth proportional to 39,362,025.74, 54,330,399.63 and 22,847,470.79 is: 31,535,780.88
Step by Step Solution
- Step 1: Write the proportion equation
39,362,025.74 : 54,330,399.63 = 22,847,470.79 : x - Step 2: Convert to fraction form
39,362,025.74/54,330,399.63 = 22,847,470.79/x - Step 3: Cross multiply
39,362,025.74x = 54,330,399.63 × 22,847,470.79 - Step 4: Simplify right side
39,362,025.74x = 1,241,312,218,691,278 - Step 5: Solve for x
x = 1,241,312,218,691,278/39,362,025.74 - Step 6: Final answer
x = 31,535,780.88
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1.5x scale
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.