Finding the Fourth Proportional to 13,751,230.24, 18,975,586.80 and 7,950,385.81
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Solution
The fourth proportional to 13,751,230.24, 18,975,586.80 and 7,950,385.81 is: 10,970,890.12
Step by Step Solution
- Step 1: Write the proportion equation
13,751,230.24 : 18,975,586.80 = 7,950,385.81 : x - Step 2: Convert to fraction form
13,751,230.24/18,975,586.80 = 7,950,385.81/x - Step 3: Cross multiply
13,751,230.24x = 18,975,586.80 × 7,950,385.81 - Step 4: Simplify right side
13,751,230.24x = 150,863,236,031,143.31 - Step 5: Solve for x
x = 150,863,236,031,143.31/13,751,230.24 - Step 6: Final answer
x = 10,970,890.12
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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.