Finding the Fourth Proportional to 15,294,566.71, 21,107,058.84 and 8,324,906.63
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Solution
The fourth proportional to 15,294,566.71, 21,107,058.84 and 8,324,906.63 is: 11,488,674.20
Step by Step Solution
- Step 1: Write the proportion equation
15,294,566.71 : 21,107,058.84 = 8,324,906.63 : x - Step 2: Convert to fraction form
15,294,566.71/21,107,058.84 = 8,324,906.63/x - Step 3: Cross multiply
15,294,566.71x = 21,107,058.84 × 8,324,906.63 - Step 4: Simplify right side
15,294,566.71x = 175,714,293,971,380.81 - Step 5: Solve for x
x = 175,714,293,971,380.81/15,294,566.71 - Step 6: Final answer
x = 11,488,674.20
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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.