Finding the Fourth Proportional to 37,893,451.28, 52,292,925.84 and 20,489,754.80
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Solution
The fourth proportional to 37,893,451.28, 52,292,925.84 and 20,489,754.80 is: 28,275,841.66
Step by Step Solution
- Step 1: Write the proportion equation
37,893,451.28 : 52,292,925.84 = 20,489,754.80 : x - Step 2: Convert to fraction form
37,893,451.28/52,292,925.84 = 20,489,754.80/x - Step 3: Cross multiply
37,893,451.28x = 52,292,925.84 × 20,489,754.80 - Step 4: Simplify right side
37,893,451.28x = 1,071,469,228,236,184.12 - Step 5: Solve for x
x = 1,071,469,228,236,184.12/37,893,451.28 - Step 6: Final answer
x = 28,275,841.66
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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.