Finding the Fourth Proportional to 7,328,201.70, 10,992,302.55 and 6,855,809.70
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Solution
The fourth proportional to 7,328,201.70, 10,992,302.55 and 6,855,809.70 is: 10,283,714.55
Step by Step Solution
- Step 1: Write the proportion equation
7,328,201.70 : 10,992,302.55 = 6,855,809.70 : x - Step 2: Convert to fraction form
7,328,201.70/10,992,302.55 = 6,855,809.70/x - Step 3: Cross multiply
7,328,201.70x = 10,992,302.55 × 6,855,809.70 - Step 4: Simplify right side
7,328,201.70x = 75,361,134,447,624.73 - Step 5: Solve for x
x = 75,361,134,447,624.73/7,328,201.70 - Step 6: Final answer
x = 10,283,714.55
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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.