Finding the Fourth Proportional to 36,874,898.81, 50,888,564.79 and 20,130,531.18
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Solution
The fourth proportional to 36,874,898.81, 50,888,564.79 and 20,130,531.18 is: 27,780,790.53
Step by Step Solution
- Step 1: Write the proportion equation
36,874,898.81 : 50,888,564.79 = 20,130,531.18 : x - Step 2: Convert to fraction form
36,874,898.81/50,888,564.79 = 20,130,531.18/x - Step 3: Cross multiply
36,874,898.81x = 50,888,564.79 × 20,130,531.18 - Step 4: Simplify right side
36,874,898.81x = 1,024,413,839,944,223.62 - Step 5: Solve for x
x = 1,024,413,839,944,223.62/36,874,898.81 - Step 6: Final answer
x = 27,780,790.53
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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.