Finding the Fourth Proportional to 11,202,661.12, 15,453,447.36 and 7,341,410.56
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Solution
The fourth proportional to 11,202,661.12, 15,453,447.36 and 7,341,410.56 is: 10,127,067.17
Step by Step Solution
- Step 1: Write the proportion equation
11,202,661.12 : 15,453,447.36 = 7,341,410.56 : x - Step 2: Convert to fraction form
11,202,661.12/15,453,447.36 = 7,341,410.56/x - Step 3: Cross multiply
11,202,661.12x = 15,453,447.36 × 7,341,410.56 - Step 4: Simplify right side
11,202,661.12x = 113,450,101,637,108.11 - Step 5: Solve for x
x = 113,450,101,637,108.11/11,202,661.12 - Step 6: Final answer
x = 10,127,067.17
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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.