Finding the Fourth Proportional to 11,754,624.45, 17,631,936.68 and 3,118,708.20
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Solution
The fourth proportional to 11,754,624.45, 17,631,936.68 and 3,118,708.20 is: 4,678,062.30
Step by Step Solution
- Step 1: Write the proportion equation
11,754,624.45 : 17,631,936.68 = 3,118,708.20 : x - Step 2: Convert to fraction form
11,754,624.45/17,631,936.68 = 3,118,708.20/x - Step 3: Cross multiply
11,754,624.45x = 17,631,936.68 × 3,118,708.20 - Step 4: Simplify right side
11,754,624.45x = 54,988,865,490,203.24 - Step 5: Solve for x
x = 54,988,865,490,203.24/11,754,624.45 - Step 6: Final answer
x = 4,678,062.30
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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.