Finding the Fourth Proportional to 22,862,034.16, 31,575,791.66 and 15,056,439.19
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Solution
The fourth proportional to 22,862,034.16, 31,575,791.66 and 15,056,439.19 is: 20,795,130.64
Step by Step Solution
- Step 1: Write the proportion equation
22,862,034.16 : 31,575,791.66 = 15,056,439.19 : x - Step 2: Convert to fraction form
22,862,034.16/31,575,791.66 = 15,056,439.19/x - Step 3: Cross multiply
22,862,034.16x = 31,575,791.66 × 15,056,439.19 - Step 4: Simplify right side
22,862,034.16x = 475,418,987,004,899.12 - Step 5: Solve for x
x = 475,418,987,004,899.12/22,862,034.16 - Step 6: Final answer
x = 20,795,130.64
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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.