Finding the Fourth Proportional to 13,324,762.74, 18,388,231.26 and 7,213,191.24
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Solution
The fourth proportional to 13,324,762.74, 18,388,231.26 and 7,213,191.24 is: 9,954,235.68
Step by Step Solution
- Step 1: Write the proportion equation
13,324,762.74 : 18,388,231.26 = 7,213,191.24 : x - Step 2: Convert to fraction form
13,324,762.74/18,388,231.26 = 7,213,191.24/x - Step 3: Cross multiply
13,324,762.74x = 18,388,231.26 × 7,213,191.24 - Step 4: Simplify right side
13,324,762.74x = 132,637,828,643,726.17 - Step 5: Solve for x
x = 132,637,828,643,726.17/13,324,762.74 - Step 6: Final answer
x = 9,954,235.68
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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.