Finding the Fourth Proportional to 13,542,345.99, 20,313,283.73 and 5,455,114.88
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Solution
The fourth proportional to 13,542,345.99, 20,313,283.73 and 5,455,114.88 is: 8,182,577.55
Step by Step Solution
- Step 1: Write the proportion equation
13,542,345.99 : 20,313,283.73 = 5,455,114.88 : x - Step 2: Convert to fraction form
13,542,345.99/20,313,283.73 = 5,455,114.88/x - Step 3: Cross multiply
13,542,345.99x = 20,313,283.73 × 5,455,114.88 - Step 4: Simplify right side
13,542,345.99x = 110,811,296,208,342.92 - Step 5: Solve for x
x = 110,811,296,208,342.92/13,542,345.99 - Step 6: Final answer
x = 8,182,577.55
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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.