Finding the Fourth Proportional to 13,429,278.97, 20,147,841.98 and 4,331,175.12
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Solution
The fourth proportional to 13,429,278.97, 20,147,841.98 and 4,331,175.12 is: 6,498,028.09
Step by Step Solution
- Step 1: Write the proportion equation
13,429,278.97 : 20,147,841.98 = 4,331,175.12 : x - Step 2: Convert to fraction form
13,429,278.97/20,147,841.98 = 4,331,175.12/x - Step 3: Cross multiply
13,429,278.97x = 20,147,841.98 × 4,331,175.12 - Step 4: Simplify right side
13,429,278.97x = 87,263,831,900,053.58 - Step 5: Solve for x
x = 87,263,831,900,053.58/13,429,278.97 - Step 6: Final answer
x = 6,498,028.09
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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.