Finding the Fourth Proportional to 35,013,863.14, 48,327,193.29 and 20,531,840.74
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Solution
The fourth proportional to 35,013,863.14, 48,327,193.29 and 20,531,840.74 is: 28,338,667.80
Step by Step Solution
- Step 1: Write the proportion equation
35,013,863.14 : 48,327,193.29 = 20,531,840.74 : x - Step 2: Convert to fraction form
35,013,863.14/48,327,193.29 = 20,531,840.74/x - Step 3: Cross multiply
35,013,863.14x = 48,327,193.29 × 20,531,840.74 - Step 4: Simplify right side
35,013,863.14x = 992,246,236,041,476.50 - Step 5: Solve for x
x = 992,246,236,041,476.50/35,013,863.14 - Step 6: Final answer
x = 28,338,667.80
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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.