Finding the Fourth Proportional to 29,167,696.70, 40,204,672.43 and 19,745,516.55
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Solution
The fourth proportional to 29,167,696.70, 40,204,672.43 and 19,745,516.55 is: 27,217,165.38
Step by Step Solution
- Step 1: Write the proportion equation
29,167,696.70 : 40,204,672.43 = 19,745,516.55 : x - Step 2: Convert to fraction form
29,167,696.70/40,204,672.43 = 19,745,516.55/x - Step 3: Cross multiply
29,167,696.70x = 40,204,672.43 × 19,745,516.55 - Step 4: Simplify right side
29,167,696.70x = 793,862,024,734,283 - Step 5: Solve for x
x = 793,862,024,734,283/29,167,696.70 - Step 6: Final answer
x = 27,217,165.38
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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.