Finding the Fourth Proportional to 11,198,625.80, 16,779,276.30 and 10,526,779.40
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Solution
The fourth proportional to 11,198,625.80, 16,779,276.30 and 10,526,779.40 is: 15,772,626.33
Step by Step Solution
- Step 1: Write the proportion equation
11,198,625.80 : 16,779,276.30 = 10,526,779.40 : x - Step 2: Convert to fraction form
11,198,625.80/16,779,276.30 = 10,526,779.40/x - Step 3: Cross multiply
11,198,625.80x = 16,779,276.30 × 10,526,779.40 - Step 4: Simplify right side
11,198,625.80x = 176,631,740,101,748.22 - Step 5: Solve for x
x = 176,631,740,101,748.22/11,198,625.80 - Step 6: Final answer
x = 15,772,626.33
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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.