Finding the Fourth Proportional to 12,716,395.86, 17,549,087.49 and 7,284,937.62
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Solution
The fourth proportional to 12,716,395.86, 17,549,087.49 and 7,284,937.62 is: 10,053,478.13
Step by Step Solution
- Step 1: Write the proportion equation
12,716,395.86 : 17,549,087.49 = 7,284,937.62 : x - Step 2: Convert to fraction form
12,716,395.86/17,549,087.49 = 7,284,937.62/x - Step 3: Cross multiply
12,716,395.86x = 17,549,087.49 × 7,284,937.62 - Step 4: Simplify right side
12,716,395.86x = 127,844,007,652,572.36 - Step 5: Solve for x
x = 127,844,007,652,572.36/12,716,395.86 - Step 6: Final answer
x = 10,053,478.13
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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.