Finding the Fourth Proportional to 18,195,115.96, 25,098,733.98 and 11,756,587.96
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Solution
The fourth proportional to 18,195,115.96, 25,098,733.98 and 11,756,587.96 is: 16,217,290.09
Step by Step Solution
- Step 1: Write the proportion equation
18,195,115.96 : 25,098,733.98 = 11,756,587.96 : x - Step 2: Convert to fraction form
18,195,115.96/25,098,733.98 = 11,756,587.96/x - Step 3: Cross multiply
18,195,115.96x = 25,098,733.98 × 11,756,587.96 - Step 4: Simplify right side
18,195,115.96x = 295,075,473,720,510.94 - Step 5: Solve for x
x = 295,075,473,720,510.94/18,195,115.96 - Step 6: Final answer
x = 16,217,290.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.