Finding the Fourth Proportional to 21,777,769.98, 32,671,576.34 and 7,204,655.29
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Solution
The fourth proportional to 21,777,769.98, 32,671,576.34 and 7,204,655.29 is: 10,808,611.05
Step by Step Solution
- Step 1: Write the proportion equation
21,777,769.98 : 32,671,576.34 = 7,204,655.29 : x - Step 2: Convert to fraction form
21,777,769.98/32,671,576.34 = 7,204,655.29/x - Step 3: Cross multiply
21,777,769.98x = 32,671,576.34 × 7,204,655.29 - Step 4: Simplify right side
21,777,769.98x = 235,387,445,310,619.84 - Step 5: Solve for x
x = 235,387,445,310,619.84/21,777,769.98 - Step 6: Final answer
x = 10,808,611.05
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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.