Finding the Fourth Proportional to 7,679,437.08, 11,520,873.66 and 2,887,167.84
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Solution
The fourth proportional to 7,679,437.08, 11,520,873.66 and 2,887,167.84 is: 4,331,397.68
Step by Step Solution
- Step 1: Write the proportion equation
7,679,437.08 : 11,520,873.66 = 2,887,167.84 : x - Step 2: Convert to fraction form
7,679,437.08/11,520,873.66 = 2,887,167.84/x - Step 3: Cross multiply
7,679,437.08x = 11,520,873.66 × 2,887,167.84 - Step 4: Simplify right side
7,679,437.08x = 33,262,695,919,855.09 - Step 5: Solve for x
x = 33,262,695,919,855.09/7,679,437.08 - Step 6: Final answer
x = 4,331,397.68
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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.