Finding the Fourth Proportional to 48,738,412.40, 73,135,612.20 and 18,467,999.60
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Solution
The fourth proportional to 48,738,412.40, 73,135,612.20 and 18,467,999.60 is: 27,712,606.76
Step by Step Solution
- Step 1: Write the proportion equation
48,738,412.40 : 73,135,612.20 = 18,467,999.60 : x - Step 2: Convert to fraction form
48,738,412.40/73,135,612.20 = 18,467,999.60/x - Step 3: Cross multiply
48,738,412.40x = 73,135,612.20 × 18,467,999.60 - Step 4: Simplify right side
48,738,412.40x = 1,350,668,456,855,355.25 - Step 5: Solve for x
x = 1,350,668,456,855,355.25/48,738,412.40 - Step 6: Final answer
x = 27,712,606.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.