Finding the Fourth Proportional to 10,891,692.68, 15,030,412.44 and 5,996,814.80
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Solution
The fourth proportional to 10,891,692.68, 15,030,412.44 and 5,996,814.80 is: 8,275,536.45
Step by Step Solution
- Step 1: Write the proportion equation
10,891,692.68 : 15,030,412.44 = 5,996,814.80 : x - Step 2: Convert to fraction form
10,891,692.68/15,030,412.44 = 5,996,814.80/x - Step 3: Cross multiply
10,891,692.68x = 15,030,412.44 × 5,996,814.80 - Step 4: Simplify right side
10,891,692.68x = 90,134,599,770,296.11 - Step 5: Solve for x
x = 90,134,599,770,296.11/10,891,692.68 - Step 6: Final answer
x = 8,275,536.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.