Finding the Fourth Proportional to 19,977,515.60, 29,922,036.60 and 16,438,571.60
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Solution
The fourth proportional to 19,977,515.60, 29,922,036.60 and 16,438,571.60 is: 24,621,456.99
Step by Step Solution
- Step 1: Write the proportion equation
19,977,515.60 : 29,922,036.60 = 16,438,571.60 : x - Step 2: Convert to fraction form
19,977,515.60/29,922,036.60 = 16,438,571.60/x - Step 3: Cross multiply
19,977,515.60x = 29,922,036.60 × 16,438,571.60 - Step 4: Simplify right side
19,977,515.60x = 491,875,541,066,920.56 - Step 5: Solve for x
x = 491,875,541,066,920.56/19,977,515.60 - Step 6: Final answer
x = 24,621,456.99
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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.