Finding the Fourth Proportional to 21,574,288.22, 29,772,516.58 and 11,651,170.06
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Solution
The fourth proportional to 21,574,288.22, 29,772,516.58 and 11,651,170.06 is: 16,078,614.05
Step by Step Solution
- Step 1: Write the proportion equation
21,574,288.22 : 29,772,516.58 = 11,651,170.06 : x - Step 2: Convert to fraction form
21,574,288.22/29,772,516.58 = 11,651,170.06/x - Step 3: Cross multiply
21,574,288.22x = 29,772,516.58 × 11,651,170.06 - Step 4: Simplify right side
21,574,288.22x = 346,884,653,787,749.56 - Step 5: Solve for x
x = 346,884,653,787,749.56/21,574,288.22 - Step 6: Final answer
x = 16,078,614.05
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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.