Finding the Fourth Proportional to 14,770,581.68, 22,137,235.54 and 7,485,871.79
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Solution
The fourth proportional to 14,770,581.68, 22,137,235.54 and 7,485,871.79 is: 11,219,362.29
Step by Step Solution
- Step 1: Write the proportion equation
14,770,581.68 : 22,137,235.54 = 7,485,871.79 : x - Step 2: Convert to fraction form
14,770,581.68/22,137,235.54 = 7,485,871.79/x - Step 3: Cross multiply
14,770,581.68x = 22,137,235.54 × 7,485,871.79 - Step 4: Simplify right side
14,770,581.68x = 165,716,507,074,099.84 - Step 5: Solve for x
x = 165,716,507,074,099.84/14,770,581.68 - Step 6: Final answer
x = 11,219,362.29
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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.