Finding the Fourth Proportional to 7,447,576.92, 11,171,348.85 and 1,982,673.09
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Solution
The fourth proportional to 7,447,576.92, 11,171,348.85 and 1,982,673.09 is: 2,974,005.23
Step by Step Solution
- Step 1: Write the proportion equation
7,447,576.92 : 11,171,348.85 = 1,982,673.09 : x - Step 2: Convert to fraction form
7,447,576.92/11,171,348.85 = 1,982,673.09/x - Step 3: Cross multiply
7,447,576.92x = 11,171,348.85 × 1,982,673.09 - Step 4: Simplify right side
7,447,576.92x = 22,149,132,743,897.45 - Step 5: Solve for x
x = 22,149,132,743,897.45/7,447,576.92 - Step 6: Final answer
x = 2,974,005.23
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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.