Finding the Fourth Proportional to 13,102,475.19, 18,081,487.74 and 7,599,113.47
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Solution
The fourth proportional to 13,102,475.19, 18,081,487.74 and 7,599,113.47 is: 10,486,818.33
Step by Step Solution
- Step 1: Write the proportion equation
13,102,475.19 : 18,081,487.74 = 7,599,113.47 : x - Step 2: Convert to fraction form
13,102,475.19/18,081,487.74 = 7,599,113.47/x - Step 3: Cross multiply
13,102,475.19x = 18,081,487.74 × 7,599,113.47 - Step 4: Simplify right side
13,102,475.19x = 137,403,277,042,673.84 - Step 5: Solve for x
x = 137,403,277,042,673.84/13,102,475.19 - Step 6: Final answer
x = 10,486,818.33
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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.