Finding the Fourth Proportional to 39,874,923.42, 55,037,631.96 and 25,970,925.12
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Solution
The fourth proportional to 39,874,923.42, 55,037,631.96 and 25,970,925.12 is: 35,846,544.54
Step by Step Solution
- Step 1: Write the proportion equation
39,874,923.42 : 55,037,631.96 = 25,970,925.12 : x - Step 2: Convert to fraction form
39,874,923.42/55,037,631.96 = 25,970,925.12/x - Step 3: Cross multiply
39,874,923.42x = 55,037,631.96 × 25,970,925.12 - Step 4: Simplify right side
39,874,923.42x = 1,429,378,218,415,279 - Step 5: Solve for x
x = 1,429,378,218,415,279/39,874,923.42 - Step 6: Final answer
x = 35,846,544.54
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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.