Finding the Fourth Proportional to 37,902,528.18, 52,305,488.97 and 20,498,873.40
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Solution
The fourth proportional to 37,902,528.18, 52,305,488.97 and 20,498,873.40 is: 28,288,445.33
Step by Step Solution
- Step 1: Write the proportion equation
37,902,528.18 : 52,305,488.97 = 20,498,873.40 : x - Step 2: Convert to fraction form
37,902,528.18/52,305,488.97 = 20,498,873.40/x - Step 3: Cross multiply
37,902,528.18x = 52,305,488.97 × 20,498,873.40 - Step 4: Simplify right side
37,902,528.18x = 1,072,203,596,208,351.75 - Step 5: Solve for x
x = 1,072,203,596,208,351.75/37,902,528.18 - Step 6: Final answer
x = 28,288,445.33
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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.