Finding the Fourth Proportional to 38,467,344.08, 53,084,946.26 and 20,826,243.12
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Solution
The fourth proportional to 38,467,344.08, 53,084,946.26 and 20,826,243.12 is: 28,740,221.70
Step by Step Solution
- Step 1: Write the proportion equation
38,467,344.08 : 53,084,946.26 = 20,826,243.12 : x - Step 2: Convert to fraction form
38,467,344.08/53,084,946.26 = 20,826,243.12/x - Step 3: Cross multiply
38,467,344.08x = 53,084,946.26 × 20,826,243.12 - Step 4: Simplify right side
38,467,344.08x = 1,105,559,997,074,029 - Step 5: Solve for x
x = 1,105,559,997,074,029/38,467,344.08 - Step 6: Final answer
x = 28,740,221.70
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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.