Finding the Fourth Proportional to 19,958,816.36, 29,938,025.00 and 6,311,965.06
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Solution
The fourth proportional to 19,958,816.36, 29,938,025.00 and 6,311,965.06 is: 9,467,884.49
Step by Step Solution
- Step 1: Write the proportion equation
19,958,816.36 : 29,938,025.00 = 6,311,965.06 : x - Step 2: Convert to fraction form
19,958,816.36/29,938,025.00 = 6,311,965.06/x - Step 3: Cross multiply
19,958,816.36x = 29,938,025.00 × 6,311,965.06 - Step 4: Simplify right side
19,958,816.36x = 188,967,767,783,104.16 - Step 5: Solve for x
x = 188,967,767,783,104.16/19,958,816.36 - Step 6: Final answer
x = 9,467,884.49
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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.