Finding the Fourth Proportional to 7,711,642.67, 11,498,519.86 and 7,499,772.08
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Solution
The fourth proportional to 7,711,642.67, 11,498,519.86 and 7,499,772.08 is: 11,182,608.16
Step by Step Solution
- Step 1: Write the proportion equation
7,711,642.67 : 11,498,519.86 = 7,499,772.08 : x - Step 2: Convert to fraction form
7,711,642.67/11,498,519.86 = 7,499,772.08/x - Step 3: Cross multiply
7,711,642.67x = 11,498,519.86 × 7,499,772.08 - Step 4: Simplify right side
7,711,642.67x = 86,236,278,195,327.80 - Step 5: Solve for x
x = 86,236,278,195,327.80/7,711,642.67 - Step 6: Final answer
x = 11,182,608.16
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.