Finding the Fourth Proportional to 13,094,695.48, 18,070,684.74 and 7,591,260.63
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Solution
The fourth proportional to 13,094,695.48, 18,070,684.74 and 7,591,260.63 is: 10,475,942.56
Step by Step Solution
- Step 1: Write the proportion equation
13,094,695.48 : 18,070,684.74 = 7,591,260.63 : x - Step 2: Convert to fraction form
13,094,695.48/18,070,684.74 = 7,591,260.63/x - Step 3: Cross multiply
13,094,695.48x = 18,070,684.74 × 7,591,260.63 - Step 4: Simplify right side
13,094,695.48x = 137,179,277,636,014.91 - Step 5: Solve for x
x = 137,179,277,636,014.91/13,094,695.48 - Step 6: Final answer
x = 10,475,942.56
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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.