Finding the Fourth Proportional to 11,451,921, 17,177,985.18 and 3,473,745
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Solution
The fourth proportional to 11,451,921, 17,177,985.18 and 3,473,745 is: 5,210,648.95
Step by Step Solution
- Step 1: Write the proportion equation
11,451,921 : 17,177,985.18 = 3,473,745 : x - Step 2: Convert to fraction form
11,451,921/17,177,985.18 = 3,473,745/x - Step 3: Cross multiply
11,451,921x = 17,177,985.18 × 3,473,745 - Step 4: Simplify right side
11,451,921x = 59,671,940,129,099.10 - Step 5: Solve for x
x = 59,671,940,129,099.10/11,451,921 - Step 6: Final answer
x = 5,210,648.95
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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.