Finding the Fourth Proportional to 18,342,030.30, 27,513,657.80 and 8,244,680.46
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Solution
The fourth proportional to 18,342,030.30, 27,513,657.80 and 8,244,680.46 is: 12,367,295.94
Step by Step Solution
- Step 1: Write the proportion equation
18,342,030.30 : 27,513,657.80 = 8,244,680.46 : x - Step 2: Convert to fraction form
18,342,030.30/27,513,657.80 = 8,244,680.46/x - Step 3: Cross multiply
18,342,030.30x = 27,513,657.80 × 8,244,680.46 - Step 4: Simplify right side
18,342,030.30x = 226,841,316,846,786.59 - Step 5: Solve for x
x = 226,841,316,846,786.59/18,342,030.30 - Step 6: Final answer
x = 12,367,295.94
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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.