Finding the Fourth Proportional to 18,873,501.24, 28,305,586.20 and 8,089,579.20
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Solution
The fourth proportional to 18,873,501.24, 28,305,586.20 and 8,089,579.20 is: 12,132,369.00
Step by Step Solution
- Step 1: Write the proportion equation
18,873,501.24 : 28,305,586.20 = 8,089,579.20 : x - Step 2: Convert to fraction form
18,873,501.24/28,305,586.20 = 8,089,579.20/x - Step 3: Cross multiply
18,873,501.24x = 28,305,586.20 × 8,089,579.20 - Step 4: Simplify right side
18,873,501.24x = 228,980,281,367,327.03 - Step 5: Solve for x
x = 228,980,281,367,327.03/18,873,501.24 - Step 6: Final answer
x = 12,132,369.00
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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.