Finding the Fourth Proportional to 49,215,098.80, 73,800,529.80 and 18,912,890.80
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Solution
The fourth proportional to 49,215,098.80, 73,800,529.80 and 18,912,890.80 is: 28,360,836.31
Step by Step Solution
- Step 1: Write the proportion equation
49,215,098.80 : 73,800,529.80 = 18,912,890.80 : x - Step 2: Convert to fraction form
49,215,098.80/73,800,529.80 = 18,912,890.80/x - Step 3: Cross multiply
49,215,098.80x = 73,800,529.80 × 18,912,890.80 - Step 4: Simplify right side
49,215,098.80x = 1,395,781,361,089,545.75 - Step 5: Solve for x
x = 1,395,781,361,089,545.75/49,215,098.80 - Step 6: Final answer
x = 28,360,836.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.