Finding the Fourth Proportional to 8,799,177.80, 13,198,766.70 and 7,382,001.80
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Solution
The fourth proportional to 8,799,177.80, 13,198,766.70 and 7,382,001.80 is: 11,073,002.70
Step by Step Solution
- Step 1: Write the proportion equation
8,799,177.80 : 13,198,766.70 = 7,382,001.80 : x - Step 2: Convert to fraction form
8,799,177.80/13,198,766.70 = 7,382,001.80/x - Step 3: Cross multiply
8,799,177.80x = 13,198,766.70 × 7,382,001.80 - Step 4: Simplify right side
8,799,177.80x = 97,433,319,537,180.05 - Step 5: Solve for x
x = 97,433,319,537,180.05/8,799,177.80 - Step 6: Final answer
x = 11,073,002.70
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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.