Finding the Fourth Proportional to 8,497,088.70, 12,745,621.47 and 3,945,648.68
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Solution
The fourth proportional to 8,497,088.70, 12,745,621.47 and 3,945,648.68 is: 5,918,467.65
Step by Step Solution
- Step 1: Write the proportion equation
8,497,088.70 : 12,745,621.47 = 3,945,648.68 : x - Step 2: Convert to fraction form
8,497,088.70/12,745,621.47 = 3,945,648.68/x - Step 3: Cross multiply
8,497,088.70x = 12,745,621.47 × 3,945,648.68 - Step 4: Simplify right side
8,497,088.70x = 50,289,744,575,545.40 - Step 5: Solve for x
x = 50,289,744,575,545.40/8,497,088.70 - Step 6: Final answer
x = 5,918,467.65
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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.