Finding the Fourth Proportional to 19,525,330.09, 26,945,174.73 and 11,153,808.55
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Solution
The fourth proportional to 19,525,330.09, 26,945,174.73 and 11,153,808.55 is: 15,392,381.02
Step by Step Solution
- Step 1: Write the proportion equation
19,525,330.09 : 26,945,174.73 = 11,153,808.55 : x - Step 2: Convert to fraction form
19,525,330.09/26,945,174.73 = 11,153,808.55/x - Step 3: Cross multiply
19,525,330.09x = 26,945,174.73 × 11,153,808.55 - Step 4: Simplify right side
19,525,330.09x = 300,541,320,284,717.94 - Step 5: Solve for x
x = 300,541,320,284,717.94/19,525,330.09 - Step 6: Final answer
x = 15,392,381.02
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1.5x scale
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.