Finding the Fourth Proportional to 18,043,811.56, 27,065,266.98 and 5,264,428.60
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Solution
The fourth proportional to 18,043,811.56, 27,065,266.98 and 5,264,428.60 is: 7,896,511.50
Step by Step Solution
- Step 1: Write the proportion equation
18,043,811.56 : 27,065,266.98 = 5,264,428.60 : x - Step 2: Convert to fraction form
18,043,811.56/27,065,266.98 = 5,264,428.60/x - Step 3: Cross multiply
18,043,811.56x = 27,065,266.98 × 5,264,428.60 - Step 4: Simplify right side
18,043,811.56x = 142,483,165,556,147.62 - Step 5: Solve for x
x = 142,483,165,556,147.62/18,043,811.56 - Step 6: Final answer
x = 7,896,511.50
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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.