Finding the Fourth Proportional to 7,351,690.80, 11,011,789.80 and 6,091,978.80
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Solution
The fourth proportional to 7,351,690.80, 11,011,789.80 and 6,091,978.80 is: 9,124,919.95
Step by Step Solution
- Step 1: Write the proportion equation
7,351,690.80 : 11,011,789.80 = 6,091,978.80 : x - Step 2: Convert to fraction form
7,351,690.80/11,011,789.80 = 6,091,978.80/x - Step 3: Cross multiply
7,351,690.80x = 11,011,789.80 × 6,091,978.80 - Step 4: Simplify right side
7,351,690.80x = 67,083,590,011,656.24 - Step 5: Solve for x
x = 67,083,590,011,656.24/7,351,690.80 - Step 6: Final answer
x = 9,124,919.95
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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.