Finding the Fourth Proportional to 20,338,086.99, 30,507,378.81 and 5,961,445.49
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Solution
The fourth proportional to 20,338,086.99, 30,507,378.81 and 5,961,445.49 is: 8,942,241.02
Step by Step Solution
- Step 1: Write the proportion equation
20,338,086.99 : 30,507,378.81 = 5,961,445.49 : x - Step 2: Convert to fraction form
20,338,086.99/30,507,378.81 = 5,961,445.49/x - Step 3: Cross multiply
20,338,086.99x = 30,507,378.81 × 5,961,445.49 - Step 4: Simplify right side
20,338,086.99x = 181,868,075,872,509.06 - Step 5: Solve for x
x = 181,868,075,872,509.06/20,338,086.99 - Step 6: Final answer
x = 8,942,241.02
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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.