Finding the Fourth Proportional to 25,149,731.08, 34,706,629.22 and 13,703,459.08
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Solution
The fourth proportional to 25,149,731.08, 34,706,629.22 and 13,703,459.08 is: 18,910,773.71
Step by Step Solution
- Step 1: Write the proportion equation
25,149,731.08 : 34,706,629.22 = 13,703,459.08 : x - Step 2: Convert to fraction form
25,149,731.08/34,706,629.22 = 13,703,459.08/x - Step 3: Cross multiply
25,149,731.08x = 34,706,629.22 × 13,703,459.08 - Step 4: Simplify right side
25,149,731.08x = 475,600,873,321,002.31 - Step 5: Solve for x
x = 475,600,873,321,002.31/25,149,731.08 - Step 6: Final answer
x = 18,910,773.71
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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.