Finding the Fourth Proportional to 11,679,853.97, 16,117,710.60 and 6,717,917.97
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Solution
The fourth proportional to 11,679,853.97, 16,117,710.60 and 6,717,917.97 is: 9,270,446.18
Step by Step Solution
- Step 1: Write the proportion equation
11,679,853.97 : 16,117,710.60 = 6,717,917.97 : x - Step 2: Convert to fraction form
11,679,853.97/16,117,710.60 = 6,717,917.97/x - Step 3: Cross multiply
11,679,853.97x = 16,117,710.60 × 6,717,917.97 - Step 4: Simplify right side
11,679,853.97x = 108,277,457,674,999.47 - Step 5: Solve for x
x = 108,277,457,674,999.47/11,679,853.97 - Step 6: Final answer
x = 9,270,446.18
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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.