Finding the Fourth Proportional to 18,338,466.30, 27,507,699.45 and 16,952,783.10
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Solution
The fourth proportional to 18,338,466.30, 27,507,699.45 and 16,952,783.10 is: 25,429,174.65
Step by Step Solution
- Step 1: Write the proportion equation
18,338,466.30 : 27,507,699.45 = 16,952,783.10 : x - Step 2: Convert to fraction form
18,338,466.30/27,507,699.45 = 16,952,783.10/x - Step 3: Cross multiply
18,338,466.30x = 27,507,699.45 × 16,952,783.10 - Step 4: Simplify right side
18,338,466.30x = 466,332,062,355,839.31 - Step 5: Solve for x
x = 466,332,062,355,839.31/18,338,466.30 - Step 6: Final answer
x = 25,429,174.65
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1.5x scale
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.