Finding the Fourth Proportional to 7,549,785.09, 10,419,731.87 and 4,453,183.17
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Solution
The fourth proportional to 7,549,785.09, 10,419,731.87 and 4,453,183.17 is: 6,145,999.39
Step by Step Solution
- Step 1: Write the proportion equation
7,549,785.09 : 10,419,731.87 = 4,453,183.17 : x - Step 2: Convert to fraction form
7,549,785.09/10,419,731.87 = 4,453,183.17/x - Step 3: Cross multiply
7,549,785.09x = 10,419,731.87 × 4,453,183.17 - Step 4: Simplify right side
7,549,785.09x = 46,400,974,577,130.71 - Step 5: Solve for x
x = 46,400,974,577,130.71/7,549,785.09 - Step 6: Final answer
x = 6,145,999.39
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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.