Finding the Fourth Proportional to 8,768,707.20, 13,149,950.40 and 3,089,116.80
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Solution
The fourth proportional to 8,768,707.20, 13,149,950.40 and 3,089,116.80 is: 4,632,579.44
Step by Step Solution
- Step 1: Write the proportion equation
8,768,707.20 : 13,149,950.40 = 3,089,116.80 : x - Step 2: Convert to fraction form
8,768,707.20/13,149,950.40 = 3,089,116.80/x - Step 3: Cross multiply
8,768,707.20x = 13,149,950.40 × 3,089,116.80 - Step 4: Simplify right side
8,768,707.20x = 40,621,732,699,806.72 - Step 5: Solve for x
x = 40,621,732,699,806.72/8,768,707.20 - Step 6: Final answer
x = 4,632,579.44
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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.