Finding the Fourth Proportional to 18,960,544.12, 26,158,105.68 and 11,011,733.32
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Solution
The fourth proportional to 18,960,544.12, 26,158,105.68 and 11,011,733.32 is: 15,191,868.02
Step by Step Solution
- Step 1: Write the proportion equation
18,960,544.12 : 26,158,105.68 = 11,011,733.32 : x - Step 2: Convert to fraction form
18,960,544.12/26,158,105.68 = 11,011,733.32/x - Step 3: Cross multiply
18,960,544.12x = 26,158,105.68 × 11,011,733.32 - Step 4: Simplify right side
18,960,544.12x = 288,046,083,904,537.25 - Step 5: Solve for x
x = 288,046,083,904,537.25/18,960,544.12 - Step 6: Final answer
x = 15,191,868.02
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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.