Finding the Fourth Proportional to 39,278,364.26, 54,210,738.66 and 22,768,816.07
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Solution
The fourth proportional to 39,278,364.26, 54,210,738.66 and 22,768,816.07 is: 31,424,789.72
Step by Step Solution
- Step 1: Write the proportion equation
39,278,364.26 : 54,210,738.66 = 22,768,816.07 : x - Step 2: Convert to fraction form
39,278,364.26/54,210,738.66 = 22,768,816.07/x - Step 3: Cross multiply
39,278,364.26x = 54,210,738.66 × 22,768,816.07 - Step 4: Simplify right side
39,278,364.26x = 1,234,314,337,297,324.50 - Step 5: Solve for x
x = 1,234,314,337,297,324.50/39,278,364.26 - Step 6: Final answer
x = 31,424,789.72
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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.