Finding the Fourth Proportional to 13,751,229.24, 18,975,585.42 and 7,950,384.81
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Solution
The fourth proportional to 13,751,229.24, 18,975,585.42 and 7,950,384.81 is: 10,970,888.74
Step by Step Solution
- Step 1: Write the proportion equation
13,751,229.24 : 18,975,585.42 = 7,950,384.81 : x - Step 2: Convert to fraction form
13,751,229.24/18,975,585.42 = 7,950,384.81/x - Step 3: Cross multiply
13,751,229.24x = 18,975,585.42 × 7,950,384.81 - Step 4: Simplify right side
13,751,229.24x = 150,863,206,084,025.47 - Step 5: Solve for x
x = 150,863,206,084,025.47/13,751,229.24 - Step 6: Final answer
x = 10,970,888.74
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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.