Finding the Fourth Proportional to 39,783,696.48, 54,897,652.80 and 22,386,062.88
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Solution
The fourth proportional to 39,783,696.48, 54,897,652.80 and 22,386,062.88 is: 30,890,601.33
Step by Step Solution
- Step 1: Write the proportion equation
39,783,696.48 : 54,897,652.80 = 22,386,062.88 : x - Step 2: Convert to fraction form
39,783,696.48/54,897,652.80 = 22,386,062.88/x - Step 3: Cross multiply
39,783,696.48x = 54,897,652.80 × 22,386,062.88 - Step 4: Simplify right side
39,783,696.48x = 1,228,942,307,545,208 - Step 5: Solve for x
x = 1,228,942,307,545,208/39,783,696.48 - Step 6: Final answer
x = 30,890,601.33
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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.