Finding the Fourth Proportional to 29,498,324.39, 40,694,773.63 and 28,130,694.19
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Solution
The fourth proportional to 29,498,324.39, 40,694,773.63 and 28,130,694.19 is: 38,808,042.68
Step by Step Solution
- Step 1: Write the proportion equation
29,498,324.39 : 40,694,773.63 = 28,130,694.19 : x - Step 2: Convert to fraction form
29,498,324.39/40,694,773.63 = 28,130,694.19/x - Step 3: Cross multiply
29,498,324.39x = 40,694,773.63 × 28,130,694.19 - Step 4: Simplify right side
29,498,324.39x = 1,144,772,231,997,487.75 - Step 5: Solve for x
x = 1,144,772,231,997,487.75/29,498,324.39 - Step 6: Final answer
x = 38,808,042.68
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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.