Finding the Fourth Proportional to 49,905,295.28, 68,865,463.80 and 28,177,407.92
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Solution
The fourth proportional to 49,905,295.28, 68,865,463.80 and 28,177,407.92 is: 38,882,652.72
Step by Step Solution
- Step 1: Write the proportion equation
49,905,295.28 : 68,865,463.80 = 28,177,407.92 : x - Step 2: Convert to fraction form
49,905,295.28/68,865,463.80 = 28,177,407.92/x - Step 3: Cross multiply
49,905,295.28x = 68,865,463.80 × 28,177,407.92 - Step 4: Simplify right side
49,905,295.28x = 1,940,450,265,092,593.25 - Step 5: Solve for x
x = 1,940,450,265,092,593.25/49,905,295.28 - Step 6: Final answer
x = 38,882,652.72
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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.