Finding the Fourth Proportional to 7,679,476.96, 11,520,933.12 and 2,887,207.68
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Solution
The fourth proportional to 7,679,476.96, 11,520,933.12 and 2,887,207.68 is: 4,331,457.31
Step by Step Solution
- Step 1: Write the proportion equation
7,679,476.96 : 11,520,933.12 = 2,887,207.68 : x - Step 2: Convert to fraction form
7,679,476.96/11,520,933.12 = 2,887,207.68/x - Step 3: Cross multiply
7,679,476.96x = 11,520,933.12 × 2,887,207.68 - Step 4: Simplify right side
7,679,476.96x = 33,263,326,584,830.36 - Step 5: Solve for x
x = 33,263,326,584,830.36/7,679,476.96 - Step 6: Final answer
x = 4,331,457.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.