Finding the Fourth Proportional to 10,366,299.72, 14,305,476.51 and 5,720,081.09
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Solution
The fourth proportional to 10,366,299.72, 14,305,476.51 and 5,720,081.09 is: 7,893,702.47
Step by Step Solution
- Step 1: Write the proportion equation
10,366,299.72 : 14,305,476.51 = 5,720,081.09 : x - Step 2: Convert to fraction form
10,366,299.72/14,305,476.51 = 5,720,081.09/x - Step 3: Cross multiply
10,366,299.72x = 14,305,476.51 × 5,720,081.09 - Step 4: Simplify right side
10,366,299.72x = 81,828,485,668,290.19 - Step 5: Solve for x
x = 81,828,485,668,290.19/10,366,299.72 - Step 6: Final answer
x = 7,893,702.47
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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.