Finding the Fourth Proportional to 15,293,245.51, 21,106,475.92 and 8,588,680.01
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Solution
The fourth proportional to 15,293,245.51, 21,106,475.92 and 8,588,680.01 is: 11,853,387.67
Step by Step Solution
- Step 1: Write the proportion equation
15,293,245.51 : 21,106,475.92 = 8,588,680.01 : x - Step 2: Convert to fraction form
15,293,245.51/21,106,475.92 = 8,588,680.01/x - Step 3: Cross multiply
15,293,245.51x = 21,106,475.92 × 8,588,680.01 - Step 4: Simplify right side
15,293,245.51x = 181,276,767,800,003.09 - Step 5: Solve for x
x = 181,276,767,800,003.09/15,293,245.51 - Step 6: Final answer
x = 11,853,387.67
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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.