Finding the Fourth Proportional to 10,768,555.74, 16,163,474.70 and 4,707,471.08
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Solution
The fourth proportional to 10,768,555.74, 16,163,474.70 and 4,707,471.08 is: 7,065,858.37
Step by Step Solution
- Step 1: Write the proportion equation
10,768,555.74 : 16,163,474.70 = 4,707,471.08 : x - Step 2: Convert to fraction form
10,768,555.74/16,163,474.70 = 4,707,471.08/x - Step 3: Cross multiply
10,768,555.74x = 16,163,474.70 × 4,707,471.08 - Step 4: Simplify right side
10,768,555.74x = 76,089,089,702,561.67 - Step 5: Solve for x
x = 76,089,089,702,561.67/10,768,555.74 - Step 6: Final answer
x = 7,065,858.37
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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.