Finding the Fourth Proportional to 15,073,144.53, 22,619,795.49 and 6,439,262.69
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Solution
The fourth proportional to 15,073,144.53, 22,619,795.49 and 6,439,262.69 is: 9,663,199.66
Step by Step Solution
- Step 1: Write the proportion equation
15,073,144.53 : 22,619,795.49 = 6,439,262.69 : x - Step 2: Convert to fraction form
15,073,144.53/22,619,795.49 = 6,439,262.69/x - Step 3: Cross multiply
15,073,144.53x = 22,619,795.49 × 6,439,262.69 - Step 4: Simplify right side
15,073,144.53x = 145,654,805,154,187.28 - Step 5: Solve for x
x = 145,654,805,154,187.28/15,073,144.53 - Step 6: Final answer
x = 9,663,199.66
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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.