Finding the Fourth Proportional to 17,862,921.99, 26,809,939.85 and 10,201,904.73
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Solution
The fourth proportional to 17,862,921.99, 26,809,939.85 and 10,201,904.73 is: 15,311,741.96
Step by Step Solution
- Step 1: Write the proportion equation
17,862,921.99 : 26,809,939.85 = 10,201,904.73 : x - Step 2: Convert to fraction form
17,862,921.99/26,809,939.85 = 10,201,904.73/x - Step 3: Cross multiply
17,862,921.99x = 26,809,939.85 × 10,201,904.73 - Step 4: Simplify right side
17,862,921.99x = 273,512,452,115,720.97 - Step 5: Solve for x
x = 273,512,452,115,720.97/17,862,921.99 - Step 6: Final answer
x = 15,311,741.96
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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.