Finding the Fourth Proportional to 42,235,217.09, 58,284,600.06 and 22,919,633.09
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Solution
The fourth proportional to 42,235,217.09, 58,284,600.06 and 22,919,633.09 is: 31,629,093.92
Step by Step Solution
- Step 1: Write the proportion equation
42,235,217.09 : 58,284,600.06 = 22,919,633.09 : x - Step 2: Convert to fraction form
42,235,217.09/58,284,600.06 = 22,919,633.09/x - Step 3: Cross multiply
42,235,217.09x = 58,284,600.06 × 22,919,633.09 - Step 4: Simplify right side
42,235,217.09x = 1,335,861,647,881,169 - Step 5: Solve for x
x = 1,335,861,647,881,169/42,235,217.09 - Step 6: Final answer
x = 31,629,093.92
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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.