Finding the Fourth Proportional to 29,236,673.28, 43,830,348 and 18,430,157.12
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Solution
The fourth proportional to 29,236,673.28, 43,830,348 and 18,430,157.12 is: 27,629,689.35
Step by Step Solution
- Step 1: Write the proportion equation
29,236,673.28 : 43,830,348 = 18,430,157.12 : x - Step 2: Convert to fraction form
29,236,673.28/43,830,348 = 18,430,157.12/x - Step 3: Cross multiply
29,236,673.28x = 43,830,348 × 18,430,157.12 - Step 4: Simplify right side
29,236,673.28x = 807,800,200,264,277.75 - Step 5: Solve for x
x = 807,800,200,264,277.75/29,236,673.28 - Step 6: Final answer
x = 27,629,689.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.