Finding the Fourth Proportional to 11,814,893.76, 17,712,232.12 and 4,533,578.76
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Solution
The fourth proportional to 11,814,893.76, 17,712,232.12 and 4,533,578.76 is: 6,796,489.33
Step by Step Solution
- Step 1: Write the proportion equation
11,814,893.76 : 17,712,232.12 = 4,533,578.76 : x - Step 2: Convert to fraction form
11,814,893.76/17,712,232.12 = 4,533,578.76/x - Step 3: Cross multiply
11,814,893.76x = 17,712,232.12 × 4,533,578.76 - Step 4: Simplify right side
11,814,893.76x = 80,299,799,331,421.77 - Step 5: Solve for x
x = 80,299,799,331,421.77/11,814,893.76 - Step 6: Final answer
x = 6,796,489.33
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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.