Finding the Fourth Proportional to 7,720,305.80, 11,583,266.70 and 2,672,126.60
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Solution
The fourth proportional to 7,720,305.80, 11,583,266.70 and 2,672,126.60 is: 4,009,161.80
Step by Step Solution
- Step 1: Write the proportion equation
7,720,305.80 : 11,583,266.70 = 2,672,126.60 : x - Step 2: Convert to fraction form
7,720,305.80/11,583,266.70 = 2,672,126.60/x - Step 3: Cross multiply
7,720,305.80x = 11,583,266.70 × 2,672,126.60 - Step 4: Simplify right side
7,720,305.80x = 30,951,955,063,964.22 - Step 5: Solve for x
x = 30,951,955,063,964.22/7,720,305.80 - Step 6: Final answer
x = 4,009,161.80
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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.