Finding the Fourth Proportional to 11,280,899.26, 15,567,557.39 and 6,124,128.22
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Solution
The fourth proportional to 11,280,899.26, 15,567,557.39 and 6,124,128.22 is: 8,451,251.56
Step by Step Solution
- Step 1: Write the proportion equation
11,280,899.26 : 15,567,557.39 = 6,124,128.22 : x - Step 2: Convert to fraction form
11,280,899.26/15,567,557.39 = 6,124,128.22/x - Step 3: Cross multiply
11,280,899.26x = 15,567,557.39 × 6,124,128.22 - Step 4: Simplify right side
11,280,899.26x = 95,337,717,459,029.02 - Step 5: Solve for x
x = 95,337,717,459,029.02/11,280,899.26 - Step 6: Final answer
x = 8,451,251.56
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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.