Finding the Fourth Proportional to 36,874,897.71, 50,887,535.61 and 20,354,721.99
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Solution
The fourth proportional to 36,874,897.71, 50,887,535.61 and 20,354,721.99 is: 28,089,613.92
Step by Step Solution
- Step 1: Write the proportion equation
36,874,897.71 : 50,887,535.61 = 20,354,721.99 : x - Step 2: Convert to fraction form
36,874,897.71/50,887,535.61 = 20,354,721.99/x - Step 3: Cross multiply
36,874,897.71x = 50,887,535.61 × 20,354,721.99 - Step 4: Simplify right side
36,874,897.71x = 1,035,801,640,097,775 - Step 5: Solve for x
x = 1,035,801,640,097,775/36,874,897.71 - Step 6: Final answer
x = 28,089,613.92
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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.