Finding the Fourth Proportional to 14,391,866.51, 21,586,586.90 and 6,194,177.68
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Solution
The fourth proportional to 14,391,866.51, 21,586,586.90 and 6,194,177.68 is: 9,290,744.51
Step by Step Solution
- Step 1: Write the proportion equation
14,391,866.51 : 21,586,586.90 = 6,194,177.68 : x - Step 2: Convert to fraction form
14,391,866.51/21,586,586.90 = 6,194,177.68/x - Step 3: Cross multiply
14,391,866.51x = 21,586,586.90 × 6,194,177.68 - Step 4: Simplify right side
14,391,866.51x = 133,711,154,736,322.11 - Step 5: Solve for x
x = 133,711,154,736,322.11/14,391,866.51 - Step 6: Final answer
x = 9,290,744.51
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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.