Finding the Fourth Proportional to 10,641,541.26, 14,685,326.79 and 5,746,763.21
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Solution
The fourth proportional to 10,641,541.26, 14,685,326.79 and 5,746,763.21 is: 7,930,533.15
Step by Step Solution
- Step 1: Write the proportion equation
10,641,541.26 : 14,685,326.79 = 5,746,763.21 : x - Step 2: Convert to fraction form
10,641,541.26/14,685,326.79 = 5,746,763.21/x - Step 3: Cross multiply
10,641,541.26x = 14,685,326.79 × 5,746,763.21 - Step 4: Simplify right side
10,641,541.26x = 84,393,095,686,084.78 - Step 5: Solve for x
x = 84,393,095,686,084.78/10,641,541.26 - Step 6: Final answer
x = 7,930,533.15
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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.