Finding the Fourth Proportional to 37,378,114.99, 51,581,800.62 and 20,632,858.95
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Solution
The fourth proportional to 37,378,114.99, 51,581,800.62 and 20,632,858.95 is: 28,473,346.42
Step by Step Solution
- Step 1: Write the proportion equation
37,378,114.99 : 51,581,800.62 = 20,632,858.95 : x - Step 2: Convert to fraction form
37,378,114.99/51,581,800.62 = 20,632,858.95/x - Step 3: Cross multiply
37,378,114.99x = 51,581,800.62 × 20,632,858.95 - Step 4: Simplify right side
37,378,114.99x = 1,064,280,016,721,333.12 - Step 5: Solve for x
x = 1,064,280,016,721,333.12/37,378,114.99 - Step 6: Final answer
x = 28,473,346.42
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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.