Finding the Fourth Proportional to 10,656,157.81, 14,704,399.66 and 7,866,764.63
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Solution
The fourth proportional to 10,656,157.81, 14,704,399.66 and 7,866,764.63 is: 10,855,324.52
Step by Step Solution
- Step 1: Write the proportion equation
10,656,157.81 : 14,704,399.66 = 7,866,764.63 : x - Step 2: Convert to fraction form
10,656,157.81/14,704,399.66 = 7,866,764.63/x - Step 3: Cross multiply
10,656,157.81x = 14,704,399.66 × 7,866,764.63 - Step 4: Simplify right side
10,656,157.81x = 115,676,051,167,766.12 - Step 5: Solve for x
x = 115,676,051,167,766.12/10,656,157.81 - Step 6: Final answer
x = 10,855,324.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.