Finding the Fourth Proportional to 11,295,498.32, 15,587,908.08 and 6,138,860.12
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Solution
The fourth proportional to 11,295,498.32, 15,587,908.08 and 6,138,860.12 is: 8,471,692.40
Step by Step Solution
- Step 1: Write the proportion equation
11,295,498.32 : 15,587,908.08 = 6,138,860.12 : x - Step 2: Convert to fraction form
11,295,498.32/15,587,908.08 = 6,138,860.12/x - Step 3: Cross multiply
11,295,498.32x = 15,587,908.08 × 6,138,860.12 - Step 4: Simplify right side
11,295,498.32x = 95,691,987,266,537.77 - Step 5: Solve for x
x = 95,691,987,266,537.77/11,295,498.32 - Step 6: Final answer
x = 8,471,692.40
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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.