Finding the Fourth Proportional to 14,361,212.72, 19,818,378.29 and 8,166,259.88
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Solution
The fourth proportional to 14,361,212.72, 19,818,378.29 and 8,166,259.88 is: 11,269,384.46
Step by Step Solution
- Step 1: Write the proportion equation
14,361,212.72 : 19,818,378.29 = 8,166,259.88 : x - Step 2: Convert to fraction form
14,361,212.72/19,818,378.29 = 8,166,259.88/x - Step 3: Cross multiply
14,361,212.72x = 19,818,378.29 × 8,166,259.88 - Step 4: Simplify right side
14,361,212.72x = 161,842,027,505,767.81 - Step 5: Solve for x
x = 161,842,027,505,767.81/14,361,212.72 - Step 6: Final answer
x = 11,269,384.46
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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.