Finding the Fourth Proportional to 37,590,319.70, 51,872,030.62 and 20,845,922.97
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Solution
The fourth proportional to 37,590,319.70, 51,872,030.62 and 20,845,922.97 is: 28,765,925.99
Step by Step Solution
- Step 1: Write the proportion equation
37,590,319.70 : 51,872,030.62 = 20,845,922.97 : x - Step 2: Convert to fraction form
37,590,319.70/51,872,030.62 = 20,845,922.97/x - Step 3: Cross multiply
37,590,319.70x = 51,872,030.62 × 20,845,922.97 - Step 4: Simplify right side
37,590,319.70x = 1,081,320,354,602,001.25 - Step 5: Solve for x
x = 1,081,320,354,602,001.25/37,590,319.70 - Step 6: Final answer
x = 28,765,925.99
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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.