Finding the Fourth Proportional to 7,289,488.40, 10,934,232.60 and 5,588,877.20
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Solution
The fourth proportional to 7,289,488.40, 10,934,232.60 and 5,588,877.20 is: 8,383,315.80
Step by Step Solution
- Step 1: Write the proportion equation
7,289,488.40 : 10,934,232.60 = 5,588,877.20 : x - Step 2: Convert to fraction form
7,289,488.40/10,934,232.60 = 5,588,877.20/x - Step 3: Cross multiply
7,289,488.40x = 10,934,232.60 × 5,588,877.20 - Step 4: Simplify right side
7,289,488.40x = 61,110,083,277,636.72 - Step 5: Solve for x
x = 61,110,083,277,636.72/7,289,488.40 - Step 6: Final answer
x = 8,383,315.80
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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.