Finding the Fourth Proportional to 11,042,878.64, 15,235,227.36 and 6,394,125.83
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Solution
The fourth proportional to 11,042,878.64, 15,235,227.36 and 6,394,125.83 is: 8,821,609.29
Step by Step Solution
- Step 1: Write the proportion equation
11,042,878.64 : 15,235,227.36 = 6,394,125.83 : x - Step 2: Convert to fraction form
11,042,878.64/15,235,227.36 = 6,394,125.83/x - Step 3: Cross multiply
11,042,878.64x = 15,235,227.36 × 6,394,125.83 - Step 4: Simplify right side
11,042,878.64x = 97,415,960,712,322.58 - Step 5: Solve for x
x = 97,415,960,712,322.58/11,042,878.64 - Step 6: Final answer
x = 8,821,609.29
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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.