Finding the Fourth Proportional to 7,780,173.48, 11,671,995.24 and 2,389,367.97
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Solution
The fourth proportional to 7,780,173.48, 11,671,995.24 and 2,389,367.97 is: 3,584,584.80
Step by Step Solution
- Step 1: Write the proportion equation
7,780,173.48 : 11,671,995.24 = 2,389,367.97 : x - Step 2: Convert to fraction form
7,780,173.48/11,671,995.24 = 2,389,367.97/x - Step 3: Cross multiply
7,780,173.48x = 11,671,995.24 × 2,389,367.97 - Step 4: Simplify right side
7,780,173.48x = 27,888,691,572,448.46 - Step 5: Solve for x
x = 27,888,691,572,448.46/7,780,173.48 - Step 6: Final answer
x = 3,584,584.80
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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.