Finding the Fourth Proportional to 17,685,963.36, 26,533,581.12 and 5,554,936.80
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Solution
The fourth proportional to 17,685,963.36, 26,533,581.12 and 5,554,936.80 is: 8,333,861.33
Step by Step Solution
- Step 1: Write the proportion equation
17,685,963.36 : 26,533,581.12 = 5,554,936.80 : x - Step 2: Convert to fraction form
17,685,963.36/26,533,581.12 = 5,554,936.80/x - Step 3: Cross multiply
17,685,963.36x = 26,533,581.12 × 5,554,936.80 - Step 4: Simplify right side
17,685,963.36x = 147,392,366,199,273.22 - Step 5: Solve for x
x = 147,392,366,199,273.22/17,685,963.36 - Step 6: Final answer
x = 8,333,861.33
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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.