Finding the Fourth Proportional to 14,222,027.68, 19,622,509.20 and 8,108,225.44
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Solution
The fourth proportional to 14,222,027.68, 19,622,509.20 and 8,108,225.44 is: 11,187,133.92
Step by Step Solution
- Step 1: Write the proportion equation
14,222,027.68 : 19,622,509.20 = 8,108,225.44 : x - Step 2: Convert to fraction form
14,222,027.68/19,622,509.20 = 8,108,225.44/x - Step 3: Cross multiply
14,222,027.68x = 19,622,509.20 × 8,108,225.44 - Step 4: Simplify right side
14,222,027.68x = 159,103,728,292,074.06 - Step 5: Solve for x
x = 159,103,728,292,074.06/14,222,027.68 - Step 6: Final answer
x = 11,187,133.92
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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.