Finding the Fourth Proportional to 14,238,840.56, 21,351,874.74 and 8,484,285.92
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Solution
The fourth proportional to 14,238,840.56, 21,351,874.74 and 8,484,285.92 is: 12,722,623.69
Step by Step Solution
- Step 1: Write the proportion equation
14,238,840.56 : 21,351,874.74 = 8,484,285.92 : x - Step 2: Convert to fraction form
14,238,840.56/21,351,874.74 = 8,484,285.92/x - Step 3: Cross multiply
14,238,840.56x = 21,351,874.74 × 8,484,285.92 - Step 4: Simplify right side
14,238,840.56x = 181,155,410,222,185.66 - Step 5: Solve for x
x = 181,155,410,222,185.66/14,238,840.56 - Step 6: Final answer
x = 12,722,623.69
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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.