Finding the Fourth Proportional to 42,235,220.10, 58,284,604.20 and 22,919,636.10
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Solution
The fourth proportional to 42,235,220.10, 58,284,604.20 and 22,919,636.10 is: 31,629,098.07
Step by Step Solution
- Step 1: Write the proportion equation
42,235,220.10 : 58,284,604.20 = 22,919,636.10 : x - Step 2: Convert to fraction form
42,235,220.10/58,284,604.20 = 22,919,636.10/x - Step 3: Cross multiply
42,235,220.10x = 58,284,604.20 × 22,919,636.10 - Step 4: Simplify right side
42,235,220.10x = 1,335,861,918,496,531.75 - Step 5: Solve for x
x = 1,335,861,918,496,531.75/42,235,220.10 - Step 6: Final answer
x = 31,629,098.07
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1.5x scale
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.