Finding the Fourth Proportional to 27,130,624.40, 40,695,936.60 and 10,087,770.80
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Solution
The fourth proportional to 27,130,624.40, 40,695,936.60 and 10,087,770.80 is: 15,131,656.20
Step by Step Solution
- Step 1: Write the proportion equation
27,130,624.40 : 40,695,936.60 = 10,087,770.80 : x - Step 2: Convert to fraction form
27,130,624.40/40,695,936.60 = 10,087,770.80/x - Step 3: Cross multiply
27,130,624.40x = 40,695,936.60 × 10,087,770.80 - Step 4: Simplify right side
27,130,624.40x = 410,531,280,912,131.31 - Step 5: Solve for x
x = 410,531,280,912,131.31/27,130,624.40 - Step 6: Final answer
x = 15,131,656.20
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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.